Let a(j) = j**2 - 12*j + 2. Let x be a(13). Solve -x = -4*v + v for v.

5

Suppose 9*h - 725 = 4*h. Suppose -h = -7*p + 2*p. Suppose 0 = -0*i - 3*i - 3*t + 24, 0 = -3*i - 4*t + p. Solve -d - i*d = 8 for d.

-2

Suppose -s = 2*s - 21. Let q be (-168)/(-49)*s/2. Solve 0 = -4*z + q - 4 for z.

2

Let o = -52 - -53. Solve z = -3 + o for z.

-2

Let y = -24 + 17. Let r(q) = -2*q - 9. Let v be r(y). Solve 0*s - v*s = 0 for s.

0

Let t(x) = 5*x2 - 49*x + 48. Let c(q) = -q2 + 12*q - 12. Let o(k) = -9*c(k) - 2*t(k). Let w be o(-11). Solve -3*b - w + 13 = 0 for b.

4

Suppose 3*t + 8 = 3*n - 7, 4*n = 3*t + 17. Suppose -3*l + 2 = -n*l. Solve 0 - l = -f for f.

2

Let r be 3 + 1 + 5⁄5. Solve 0 = -0*b + r*b + 20 for b.

-4

Suppose 0 = -u + 4, -16 = -4*w + 2*w - 4*u. Solve 2*h + 6 = -w*h for h.

-3

Let z(h) = 3*h - 27. Let w be z(14). Solve -j + 6*j = -w for j.

-3