Let k = -6 + 10. Suppose 3*u - k*u = -20. Suppose h + h = 0. Solve 0 = -5*n - h*n - u for n.

Suppose 5*c + 3*i - 16 = 0, 3*i - 3 = 2*c - 1. Solve -c = 4*f + 2 for f.

-1

Let k(y) = -y3 - 9*y2 + 15*y + 14. Let a be k(-11). Let r = a + -57. Suppose 0 = i + 5*s + 5, -s - r = -3*i + i. Solve -l + i = 2*l for l.

5

Let p® = -r3 + 7*r2 + 2*r - 12. Let v be p(7). Solve v*i = 4*i + 4 for i.

-2

Let c be ((-2)/(-3))/(¹²⁄₅₄). Solve f + 0*f = -c for f.

-3

Let o(a) = -a**2 - 31*a + 152. Let d be o(-35). Let t = -4 - -16. Suppose 0 = -4*b - 0*b + t. Solve -b*x + d = -7*x for x.

-3

Let l(g) = g**2 - g - 26. Let u be l(6). Solve -k = u*k for k.

0

Suppose 0 = -v + 1, -z = -0*z - 4*v. Let r be 2/(-7) + (-120)/(-28). Suppose r*x - 2*o - 30 = 0, 6*x + z*o = 2*x + 12. Solve 5*h - x = -21 for h.

-3

Suppose 11 = 2*l + 1. Suppose j + j - 13 = l*a, 3*j - 12 = 5*a. Let r = -3 - a. Solve c + 3 = -r*c for c.

-3

Let l© = -c - 10. Suppose y + 2*v + 14 = 0, -4*y + 0*y - 2*v - 50 = 0. Let i be l(y). Solve 1 = -i*t + 7 for t.

3

Suppose 15 = 5*h + 5*g, -5*h + 2*g + 29 = -0*g. Solve h*d - 2 = -12 for d.

-2