18. Suppose 3*f + 4*r = 5*f - s, -4*f + 12 = -4*r. Solve 5 + f = 5*p for p.
2
Let w be 102/10 + (0 - (-6)/(-5)). Solve -w*s = -23 - 31 for s.
6
Suppose 5*l - 3*q = 883, 27*l + 2*q = 23*l + 724. Solve 94 = -17*a + l for a.
5
Let s be (-5)/((-75)/95) + 2/3. Let w = -2 + s. Suppose -5*t + w*t = 16*t. Solve t*f + 15 = -5*f for f.
-3
Let h(q) = 145*q - 2172. Let s be h(15). Solve -s*i + 271 = 289 for i.
-6
Let q(t) = -t**2 - 23*t + 33. Let i be q(-24). Suppose -4 = i*n - 31. Solve n = -3*k + 3 for k.
0
Let n = 35 - 36. Let u be 8*(-5)/(-10) - n. Let d = 37 - 22. Solve 0*i = u*i - d for i.
3
Suppose h + 14*s = 19*s - 27, -3*h = s - 15. Let d be 5*(0 - (-6)/15). Solve 10 = -h*j - d*j for j.
-2
Let j be 4 - 1 - (-212 - 40). Let b = 257 - j. Solve -4*g - 6 = -b*g for g.
-3
Suppose 4*u - 28 = 4*p, 5*u + 878*p = 876*p - 7. Solve 6*c = -11 - u for c.
-2
Let n(j) = j**3 + 2*j**2 - 23*j - 45. Let z be n(-2). Solve 7 - z = 3*y for y.
2
Suppose b = -5*m - b, -2*b + 0*b = 0. Let x be -12 + (-3 - -5)/2. Let z = -7 - x. Solve -z*a - a = m for a.
0
Suppose -23 + 55 = 782*s + 32. Let u = -6 - -9. Solve s = 11*y - 14*y - u for y.
-1
Let z = -7 + 13. Let d(f) = f**3 + 26*f**2 + 18*f + 40. Let l be d(-25). Let w = -205 + l. Solve z + w = 4*b for b.
4
Let b = 65 + -63. Suppose -b*o = -47 - 5. Let n = o + -23. Solve -n*m = m for m.
0
Suppose -3*f + 40 = f. Suppose -w + f = w. Let j be (-2)/(-7)*7*(-154)/(-28). Solve w*s + 4 = -j for s.
-3
Let c(s) be the second derivative of -s**5/10 + 13*s**4/12 - 2*s**3/3 - 3*s**2/2 - 13*s. Let z be c(6). Let k be z + 4 - (-3)/2*-2. Solve x - k = -x for x.
5
Let o = 92 + -88. Suppose 2*u + 238 = -2*x - 0*u, -u + o = 0. Let k = 133 + x. Solve 2*c = -3*c - k for c.
-2
Suppose -28*j + 261 = j - 0*j. Suppose 4*k - 74 = -18. Solve -k + j = w for w.
-5
Suppose -s = k - 2, 19*s - 17*s = 4*k + 16. Suppose -17*g - 2*r + 323 = -12*g, -s*r = 2*g - 126. Solve 9*u = 20 - g for u.
-5
Let o(z) = z**3 - 7*z**2 - 7*z - 1. Let v be o(8). Suppose -v*a = 2*a - 144. Suppose 0 = a*l - 14*l. Solve l = -7*u + 2*u + 5 for u.
1
Let u = -6025 + 6115. Solve -37*a + 19*a + u = 0 for a.
5
Let i(y) = y**3 + 20*y**2 + 39*y + 66. Let a be (9 - -45)*2/(-6). Let j be i(a). Solve 0*z + 3*z = j for z.
4
Let i = -165 + 167. Suppose -22*f + 68 - i = 0. Solve f*g - 1 = 4*g for g.
-1
Let q(l) be the second derivative of -3*l**3/2 - 116*l**2 + 2*l + 8. Let d be q(-26). Solve 6*k = -d - 4 for k.
-1
Suppose -2*c - i + 14 - 2 = 0, -3*i = -2*c + 12. Suppose -c*j + 8*j - 4*w = 32, -14 = -j + 3*w. Solve -17*d + j*d = -3 for d.
-1
Let g(i) = 25*i - 2. Let s(w) = -w + 1. Let d(o) = g(o) + 4*s(o). Let a be d(9). Suppose -9*t + a - 11 = 0. Solve 0*c = 5*c - t for c.
4
Let s = 292 - 289. Let a(z) = -z**2 - 22*z + 9. Let h be a(-22). Solve h = 6*j - s for j.
2
Suppose 98*d - 1975 + 1053 = 2704. Solve w = -45 + d for w.
-8
Suppose -23 = 3*d + 5*g - 38, 4*d = 4*g - 12. Suppose -t - 5*s - 3 = 0, 26 - 5 = 2*t + s. Solve d = n - 7*n - t for n.
-2
Suppose -54*h + 490 = 16*h. Solve 6*c + h + 23 = 0 for c.
-5
Let m = -18494 - -18495. Solve u = -m + 8 for u.
7
Let j(h) = 5*h - 5. Let q be j(2). Let n = -74 - -99. Suppose 0 = q*w - 0*w - n. Solve -4*s - w = -3*s for s.
-5
Let j(f) = -2*f**3 + 60*f**2 - 60*f + 60. Let c be j(29). Let x be (-3)/(-12) + 22/8. Solve x = -n + c*n for n.
3
Let n = 84 + -84. Suppose 4177*k = 4183*k - 48. Solve -k*i + 3*i + 15 = n for i.
3
Suppose a - 5*o - 45 = 0, -165*o + 170*o = 5. Solve 0 = 31*w + a + 43 for w.
-3
Let x be -1*4/(8/6). Suppose 0 = -10*o + 2*o - 2*o. Let r be o/(-1 - x) - -2. Solve -q - 5 = -r for q.
-3
Let d(z) = z**2 - 113*z - 780. Let a be d(-7). Solve -74*y = -62*y + a for y.
-5
Suppose 5*i + 3*w = 131, 0 = w - 12 + 15. Solve -i*g - 28 = -32*g for g.
7
Suppose 2*c + 0*c - 6 = 0. Suppose 5*g = -4*f + 16 + 61, -2*g + c*f = -40. Solve g*a - 12*a - 5 = 0 for a.
1
Suppose 167 = 3*h - 4. Let u = h - 63. Let v be -12*3/u + -2. Solve -v*z = z - 5 for z.
1
Suppose 4*s = -3*r + 71, -5*s - 4*r + 37 = -51. Suppose o + 65 = 2*y, 4*y - 3*o - 133 = 2*o. Suppose y = 3*t + 26. Solve 3*b + s = -t*b for b.
-4
Let f(h) = -135*h - 943. Let v be f(-7). Solve v - 5 = -3*n for n.
1
Let d be 4/3*(2 + 1). Let f = -77652 + 77653. Solve -d = 5*y + f for y.
-1
Let d = -21232 - -21268. Solve -316*t + d = -307*t for t.
4
Suppose a - 17 = -0. Suppose a = 9*y - 1. Let c(v) = 13*v - 6. Let z be c(y). Solve 7*x - z = 3*x for x.
5
Let x(n) = 4*n**2 + 9*n - 7. Let i be x(3). Suppose -80 = -8*h + i. Solve -3 = -h*d + 14*d for d.
1
Suppose -60*y + 61*y + 995 = 0. Let w = y + 1001. Solve -w*m = -0*m + 30 for m.
-5
Suppose 94*k + 6*k - 3520 - 80 = 0. Solve 0 = -11*a + k*a + 100 for a.
-4
Let u = -1195 + 1192. Let g be u/((-30)/10)*12/2. Suppose 0 = 4*p - 23 - 13. Solve 3*q = -p - g for q.
-5
Let p = -943 - -1012. Solve j + 22*j = -p for j.
-3
Let n be 10/(1/((-1)/(-2))). Suppose -3*a + 62 = -a. Let j = -27 + a. Solve 0 = -j*t - 1 + n for t.
1
Let j(t) = 116*t - 1375. Let o be j(12). Solve 0 = -12*c - o + 41 for c.
2
Let r be (((-20)/3)/(-5))/(8/780). Let c = 137 - r. Solve -5*n = -c*n + 2 for n.
1
Let b = 309 - 307. Suppose -8 = -4*f - 5*d, -d + 4 = b*f - 2*d. Solve -g + f + 2 = 0 for g.
4
Suppose -4*x + 64 = 258*w - 263*w, -3*w = 0. Solve -44*u = -28*u + x for u.
-1
Let v be (-67)/((-1541)/2530) - -26. Solve -22*p - v = -56*p for p.
4
Let d be -101*(1 + 16/(-4)). Let v = d + -197. Let w = -100 + v. Solve -f + 5 = w for f.
-1
Suppose -59*m + 36 = -54*m - 3*b, -5*b = -m - 6. Suppose 0 = 3*l + 4*x - 4 + 1, -2*x = 2*l - 4. Solve 2*c = l*c + m for c.
-3
Suppose 2*y = -4*g + 112, 4*g - 89*y - 70 = -84*y. Solve -95*t = -90*t - g for t.
5
Let u(i) = 15*i + 1. Let y be u(1). Suppose -y = -g - g. Let l(c) = -7*c - 66. Let k be l(-10). Solve k = -v + g for v.
4
Let j(a) = 2*a**2 + 19*a + 33. Let w be j(-7). Let g be (4 - w - 6) + 5. Solve -20 = g*q - 5 for q.
-3
Suppose 31*z = 49*z - 144. Let p(h) = h**3 - 6*h**2 + 4*h + 6. Let m be p(5). Suppose m = 5*j - 14. Solve -j*d = -z + 23 for d.
-5
Let l = 23764 - 23741. Solve 138 = -l*c - 0*c for c.
-6
Suppose -20*o = -10*o - 1350. Let p be 15/(o/36) + (0 - -1). Solve -4*g = -p*g - 5 for g.
-5
Let u be 18/54*(-1 - -16). Suppose u*n + 2*l = 26, 5*n - 16*l - 32 = -20*l. Solve 6 - 2 = -n*h for h.
-1
Let g = -255 - -365. Let u = g + -85. Solve -u = -m - 4*m for m.
5
Let c(i) be the second derivative of -i**5/60 + 5*i**4/24 + 15*i**2 - 8*i. Let b(g) be the first derivative of c(g). Let f be b(4). Solve -5*o = -o - f for o.
1
Let c = 25386 + -25381. Solve 0 = -27*z + 167 - c for z.
6
Let i = 1226 - 902. Solve i = -4*b + 320 for b.
-1
Let d(u) = -u**3 + 10*u**2 - 12*u - 48. Let b be d(4). Solve b = -67*p + 102*p - 210 for p.
6
Let i = 133 + -80. Suppose 5*y = 10*y - 4*u - 292, u = -3. Let n = y - i. Solve -4*b - 2 = -n*b for b.
-2
Suppose -72 = -4*d + 4*r, 47*r + 21 = d + 49*r. Solve -26 = -15*j + d for j.
3
Suppose -880*c + 3978 = -659*c. Solve c - 20 = -z for z.
2
Let m(r) = -r**3 + 7*r**2 - 15*r + 27. Suppose -63*u = -61*u - 10. Let k be m(u). Solve 0 = 3*g + k*g for g.
0
Let k be ((-16)/(-10) - 2/20)*2. Let m be (-4)/(-3)*105/10. Suppose -m = -3*s - 5. Solve -s + 0 = k*i for i.
-1
Let q be 1 - 4 - (-9 + 0). Suppose -q*u = -84 - 132. Let p = u - 34. Solve -f + p*f = -1 for f.
-1
Let b be 26/8 + (-1)/4. Let a be 0*(6/(-4) - -1). Suppose -527*t + 1317 + 4167 = -70*t. Solve t = b*m - a for m.
4
Let h(c) = -6*c**2 + 10*c - 16. Let q be h(7). Let v = q + 243. Solve v*t - 10*t = 7 for t.
-1
Let x be (0 + (-534)/1)/(420/(-280)). Solve 0 = -x*w + 350*w - 30 for w.
-5
Let o be (148/(-8) + -1)/(6/12). Let s be (-3 - o/11)*22. Solve 4*f - s = -4 for f.
2
Let p be (5 - (-8 + 5)) + -2. Let n(i) = -11*i - 21*i + i**2 + 25*i + 11. Let u be n(p). Solve 7 = u*t - 3 for t.
2
Let b be (54/(-24))/(2/32). Let m = -40 - b. Let h = 12 + m. Solve 3*s - h*s + 15 = 0 for s.
3
Suppose -m + 68 = -2*o + 6*o, -3*m = 19*o - 330. Solve 0 = -o*i + 7*i + 66 for i.
6
Let w(r) = 3*r**2 - 31*r + 82. Let s(n) = -2*n**2 + 16*n - 42. Let q(v) = 5*s(v) + 3*w(v). Let d be q(-15). Solve -2*t + 4 - d = 0 for t.
-1
Let c(j) = -j**3 + 4*j**2 - 2*j + 8. Let o be (-62)/6 + (-24)/(-18). Let t be (-39)/(-12) - o/12. Let w be c(t). Solve 7*r - 5*r - 4 = w for r.
2
Suppose 0 = -a + 5*a. Suppose -3*f + 4 +