20. Let a(r) = -2*r + 39. Let o be a(n). Solve -o*p + 5*b = -10, -4*p - 2*b - 20 = -2*p for p.
-5
Let r = 71 + -63. Suppose 2*y - r = -4. Suppose y*k = 4*k - 12. Solve g + 2*n = -k, 2*g - 2*n - 6 = -0*g for g.
0
Let p(r) = -r + 20. Let x be p(16). Suppose -11*g + 7*g - 5*l = -27, 12 = x*l. Solve 10 = 2*q, 0 = -2*y + g*q - 1 - 12 for y.
1
Suppose 53960*k + 72 = 53978*k. Solve -5*d - 14 = 4*x, 30*x - 34*x + 4*d + k = 0 for x.
-1
Let f be ((-112)/40)/((-3)/15). Suppose 0 = f*h - 26 - 30. Suppose -32 = -2*q + 2*t, 25 = 4*q + 3*t - 67. Solve 2*w = 4*k + k - 10, 0 = h*w + 5*k + q for w.
-5
Suppose -325 = 47*s - 112*s. Solve d - 3*c + 10 = 0, s*c = 3*d + c + 15 for d.
-1
Suppose 3*g - 11 = -2*i + 29, -2*i = -5*g + 72. Let j be 414/126 - 4/g. Let b be (3 - -3) + -3 + 0. Solve 0 = 3*n, 0 = -2*t + j*t - 4*n + b for t.
-3
Suppose 4*d - 24 = 4*v, 2*d - 2*v + v = 12. Suppose 12*u - d = 10*u + 3*c, 0 = -3*u - 2*c - 4. Solve 0 = 5*w, b + u*w - 2*w = -2 for b.
-2
Suppose 5*y + 90 = -5*s, 5*y = 4*s - 39 - 69. Let u be 15/y*96/(-18). Solve 2*o + u*r - 12 = 0, 2*r + 2 = 5*o - 2*r for o.
2
Suppose 3*m + 25 = 5*o + 5, -44 = 4*m + 2*o. Let k be 24/m*10/(-6). Solve u = -4*z - k*u + 17, 0 = 4*z - u + 13 for z.
-2
Let u(g) be the first derivative of 2*g**3/3 + 3*g**2/2 - 9*g + 29. Let m be u(2). Solve -2*p + p - m*r + 23 = 0, -4*p + 5*r - 8 = 0 for p.
3
Let i = -14100 - -14103. Solve -2*f - a = -3, 4*a - 6*a - 8 = -i*f for f.
2
Let q be (-2 - -3) + (162 - 0). Let b = -163 + q. Solve i = 3*o, b*o = i + 3*o - 6 for i.
3
Suppose 15*j + 781 = 166. Let t = j - -62. Solve -u - 2*u = 3*r + t, -3*u - 9 = -r for u.
-4
Let v(q) = -41*q - 3193. Let y be v(-78). Solve 5*p - 11*r - 15 = -13*r, y*r = -4*p + 29 for p.
1
Let b = 410 - 408. Let x(w) = w**2 + 10*w - 9. Let n be (242/(-44))/(1/2). Let k be x(n). Solve -b*s + 5*g = -8, -s + k*s + 3 = -g for s.
-1
Let j be (42/(-15) + 1/(-5))*-1. Suppose -1 = -t + 3*b - 3, 8 = 2*t - 3*b. Suppose 0 = -5*x + t. Solve j*c + 4*n = -n - 17, 2*n = -x*c - 10 for c.
-4
Let g be ((-390)/4)/((-5)/10 + 0). Let q = g + -192. Solve -o + 6 = 2*t + 3*o, 0 = -q*t + o + 2 for t.
1
Let q be 3/6 - 21/(-6). Suppose -2*n + 6 = 0, 6*v + q*n - 24 = 5*v. Solve d = 4*o + 20, 6*d - v = o + 4*d for o.
-4
Let x = -204 - -252. Suppose f = -s + 14 + 3, 4*f - s = x. Solve 0 = -3*a + 7*a + 3*h - f, 0 = -4*a - h + 7 for a.
1
Let l = -24054 + 24059. Solve -4*a - 12 = -10*a, 0 = -4*q + l*a - 10 for q.
0
Let d(m) = -2*m**3 - m**2 + 4*m + 8. Let j be d(0). Solve -7*f + j = 2*n, -4*n + 0*n = 4*f + 4 for f.
2
Let l be (-2)/20 + (-36)/90 - 171/(-38). Let w be (-2 - -1)*(1 - 2). Suppose -4*f - 2 + 7 = 5*d, 9 = -3*d. Solve -3*g = -l*g - 1, -2*y + w = -f*g for y.
-2
Let u = -475 - -471. Let l be (u + 3)/(-4 - (-75)/20). Suppose -3*m + 26 = 2*g, 64 - 8 = 5*g + 3*m. Solve q + l*q - z - g = 0, -2 = -q + 4*z for q.
2
Let r = -194 + 489. Let m = r + -276. Solve -2*y + 5*s = -m, 0 = 4*s + s + 25 for y.
-3
Let k(c) = c**2 - 3*c - 4. Let h be k(4). Suppose -9*m + 27 = -h*m. Solve -n - 1 = -y, -4 = n + m*y + 13 for n.
-5
Let n = 226 + -121. Let k = 108 - n. Suppose 3*c = -4*a + 24, 4*c - k*a - 13 = -2*a. Solve -c*l - 3*i - 16 = -7*i, 3*i = -l - 4 for l.
-4
Let z(p) = p**3 + 5*p**2 + p + 2. Let d be z(-4). Let h be (4590/93)/10 - 4/(-62). Solve 2*u = -2*q - d, -u = -0*u - h*q - 11 for u.
-4
Let g(t) = t**2 + t - 50. Let w be g(-8). Let l be (w/(-10))/(42/(-350)). Solve 5*p + l = -5*i, -2*p + 7 = -i - p for i.
-4
Let f be (9 + -9)*(1 + 9/(-6)). Suppose -2*x = 4*l + 4 - 8, -l = -x - 4. Solve f = 2*v + k + 4, 0*v + l*k - 24 = 4*v for v.
-4
Let v = 71 - 82. Let y be 0/v*(-2)/(-4). Solve 2*g - 11 = -y*g - 3*l, 0 = -3*l + 9 for g.
1
Let a be 3/4 + 15/60. Let w be (-3)/6*2 + a. Suppose 3 = -w*d + d. Solve -5 = -l + 5*f - 0*f, d*f = -4*l - 26 for l.
-5
Let z be (-59)/((2 - 1)*(-1 + 0)). Let o = 83 - z. Suppose 0*g - 9 = -i + g, i - 4*g - o = 0. Solve -2*d = -4*q - 12, 2*d + i = q - 2*d for q.
-4
Let o(g) = -g**3 - 86*g**2 - 328*g + 4. Let u be o(-82). Solve z + 4*k = 0, 0 = u*z - 2*z - 4*k + 12 for z.
-4
Let j(t) = -29*t**2 - 211*t - 31. Let i be j(-7). Solve 1098*h + 2*b = 1103*h - i, 5*h = 4*b + 25 for h.
5
Suppose -24 = -4*p - a + 27, -2*a + 89 = 7*p. Solve -q - 4*x - p = 3, -4*q - 4*x = 16 for q.
0
Let i(p) = -4*p**3 - 63*p**2 - 26*p + 289. Let a be i(-15). Solve q - 2*s + 90 = 97, 0 = a*q + 4*s - 16 for q.
5
Suppose 4*f - 22 - 6 = 0. Suppose -2*n + 24 = 4*l, 2*l = 2*n + f*l - 28. Let g be 6/n + (4 - 27/6). Solve u = -i + 2, 5*u = 2*i + g + 2 for i.
1
Let h be (-1)/(112/38 - (-10)/((-40)/12)). Solve 10 = -2*r - 4*z, 5*r + 5*z = 9 - h for r.
1
Let j(v) = 741*v - 6666. Let o be j(9). Solve -3*h + 2*p + 26 = 23, -3*h = o*p - 3 for h.
1
Let w be (-23 + (-990)/(-44))/((9/(-78))/3). Solve -2*q - w*t = -10*t + 2, -4*q + 2*t = 4 for q.
-1
Suppose 2*w + 48 = -18*w + 448. Solve 75 = 5*c + 3*s + 87, -w = 2*c + 5*s for c.
0
Let q = -3303 - -3307. Solve -5*l - 50 = -5*m - 10, 0 = 5*m + 4*l - q for m.
4
Let o be -1*2*(-6)/4. Let q be 1/((-9)/(-72))*1. Suppose o*y - 3*l + 1 + 5 = 0, 2*y + q = 4*l. Solve 6 = -4*x + 2*b, y*x = -x - 2*b - 9 for x.
-3
Suppose n + 13 = -4*j, 0 = 4*j - n + 4*n + 7. Let m be (-2)/6*(-3)/(-4)*j. Let q be (-13 - -14) + (m - 2). Solve q = d - 3, 6*z = 2*z + 3*d - 17 for z.
-2
Suppose -3*d - 53 = -2*w, -18 = -w - 4*d + 3. Let n = -475 + 480. Suppose 3*a - 8 = -4*o + 12, n = o. Solve 5 = s, -w = -y - a*y - 5*s for y.
0
Let m(d) = d**3 + d**2 - d - 1. Let l(f) = -3*f**3 + 2*f**2 + f + 36. Let i(k) = l(k) + 2*m(k). Let u be i(5). Solve 6*b - u*b - n = 3, 4*b = 4*n + 16 for b.
-1
Suppose 4*n - 2 = -3*l, n + 6 - 4 = -2*l. Let o = -6394 + 6424. Suppose 4*z - 8 = -2*p - 2*p, 0 = 4*p + 12. Solve w = -4*v + n - 1, z*w - o = 5*v for v.
-1
Let w be (-661)/((-5)/(15/(-3))). Let i = w - -663. Solve 3*s - 2 = 4, -5*a = i*s - 14 for a.
2
Suppose 140 = -37*g + 132*g - 67*g. Solve m + 20 = -5*h, 3*h - g*m = -3*m + 1 for h.
-3
Let c(i) = -i**3 + 8*i**2 + 4*i + 4. Let k be c(8). Let b = 65 - k. Suppose 4*n = p + 3, 2*n - 5*p = 8 - b. Solve -n*r + 4*v = -0 + 6, 0 = 2*v + 2 for r.
-5
Suppose -73 = -27*v - 9 + 17. Solve v*j - 5*n - 12 = 0, j + 4*n + 16 = -3*j for j.
-1
Let n be (-77)/(-22)*(-12)/(-14). Let t = -13 - -20. Suppose 0 = 5*s - 5*p - 5, 0 = 3*p - 4 + t. Solve 3*b + n*x = s, 0*x + 4*x = 12 for b.
-3
Suppose -6*a + 7*a = -r + 333, 0 = 5*a - 5*r - 1615. Let d = a + -318. Solve -4*j - f - 2 + 1 = 0, 0 = -5*j - 5*f + d for j.
-1
Let x be 2 + -2 - (12 - 65). Suppose x*y = 50*y + 51. Solve -4*a + y = 5*w, 5*a - 6*a + 2 = -w for w.
1
Let s be ((-45)/(-4))/((-355)/(-284)) + (-1 - 4). Solve -19 = -2*b + t - 22, 0 = 2*b + s*t - 12 for b.
0
Let p be -2 + 10/(-2 + 4). Suppose -150 = -71*b + 2120 - 211. Solve b = p*f - f - 5*q, -q = -f + 7 for f.
2
Let b(u) = 7*u**3 - 28*u**2 - u + 9. Let w be (-5 + 2 + 1)*-2. Let c be b(w). Solve -2*h = 3*x - c, 3*x + 4 = -4*h + 17 for x.
-1
Let b be (-190)/(-133)*((-42)/(-5) + 0). Solve -4*n - 13 = -x - 16, 2*n - 4*x = b for n.
0
Suppose 0 = -5*s - 2*k + 104, 5*s = -28*k + 27*k + 107. Solve -4*p - 2*r = -12 + s, 0 = 5*p - r + 2 for p.
-1
Let t(u) = u**3 + 11*u**2 + 2*u + 12. Let v be t(-11). Let d be (-58)/(-20) - 1/v. Solve 3*h - 4 = f, -5*h - d*f - 20 = 2*f for h.
0
Suppose -52 = -5*n + n. Suppose 4*s = 4*h + 168, -3*s + 174 - 41 = 4*h. Suppose 10*j - 17 = s. Solve -v + 21 = -5*u, -5*v + j*u + n = 4*u for v.
1
Suppose -2260 = 666*d - 5487 - 4099. Solve y - 4*h - 17 = 0, -10*h - 54 + d = -3*y for y.
1
Let d(t) = -6*t**2 - 43*t + 13. Let u be d(-7). Suppose 0*w = 7*w - w. Solve -5*z - 12 = -3*p + 4, w = -5*p - z - u for p.
-3
Suppose 45*h - 173 = 277. Solve 3*r + h*i - 8*i = -5, -5*r + 17 = -3*i for r.
1
Suppose -57*u + 53*u - 4*h - 8 = 0, -u + 18 = -3*h. Solve -u*r + 5*r + 3*l + 10 = 0, -l = 5*r + 25 for r.
-5
Let l(c) = -c**2 + 23*c + 41. Let w be l(-2). Let x be (14 + w)*16/20. Solve x*z + h + 0 - 2 = 0, 5*z - 13 = 4*h for z.
1
Suppose -4*i = 12*t - 11*t - 2980, -5*i - 4*t + 3725 = 0. Let o = 753 - i. Solve -j + m = -3, 3*j - o*j - m + 3 = 0 for j.
1
Let z = 0 - -12. Let p be ((-26)/8)/((-3)/z) - -4. Solve q - 4*o = 8 + 2, p = -q - 5*o for q.
-2
Suppose -85*l = -92*l + 21. Suppose -3*i = 2*m - 200, 0*m - 5*m + 84 = i. Let u = 67 - i. Solve 31 = -5*h - u*w, h + 3*w = -