Let g = -15 - -17. Suppose 4*c + 2 = r, 4*c - r = -5*r - 12. Let q be c*10*(-4)/8. Solve q*i = g + 13 for i.

Suppose x - 5 = -4*x. Let y be x - (-2)/(2 + -4). Let v = y + 2. Solve -3 - 5 = v*u for u.

-4

Let m(l) = l**2 - 5*l + 6. Let j be m(4). Suppose u = 4*y - 6, -2*y = -4*u + j*y. Solve 0*z + u*z = -6 for z.

-3

Let x = -91 + 96. Solve x*p + 0*p + 15 = 0 for p.

-3

Let q(p) = -p**2 - 3*p - 2. Let a be q(-3). Let j be -4 + (a/(-1))/1. Let s be 4/(16/(-30))*j. Solve 3*u + s - 3 = 0 for u.

-4

Suppose -3*n - 19 = -2*o, 25 - 6 = -3*o - 5*n. Suppose -22 = -5*q - k - o, -4*q - 2*k = -16. Solve 3*z - 2 = q*z for z.

-2

Let n(f) = f3 + 9*f2 + 8*f + 4. Let p be n(-8). Solve -p*u = -0*u for u.

0

Let j(a) be the second derivative of -a⁵⁄₂₀ - a⁴⁄₈ - a**³⁄₆ - a. Let l(b) be the second derivative of j(b). Let f be l(-2). Solve -2*g - g = f for g.

-3

Let t = -44 - -47. Solve -2 - 4 = -t*c for c.

2

Let n(v) = -v - 5. Let c(p) = -p - 10. Let x be c(0). Let s be n(x). Solve -3 = -s*y + 12 for y.

3

Let m© = -c3 - 6*c2 - 7*c - 5. Suppose -5*z = -4*i - 0*z + 5, 4*i - z + 15 = 0. Let k be m(i). Solve 5 = k*j - 0 for j.

1