Let r = 38 - 35. Solve -r*a = 2*a for a.

0

Suppose -7 = 5*y - 67. Solve 2*b + y = 6*b for b.

3

Let q(t) = t - 5. Suppose -4*p + 5*b + 10 = -19, -3*p + 3*b + 21 = 0. Let x be q(p). Solve 0 = -n + 5 - x for n.

4

Suppose -25 = 5*g + 5*m, -m + 8 = 3*g + 33. Let v = g + 15. Let y(l) = 2*l - 6. Let u be y(v). Solve -2*r = -4*r - u for r.

-2

Suppose z + 2 = 3*p, -49 = -z - 2*z - 2*p. Suppose -21 = -k - z. Solve i + i = -k for i.

-4

Let p(i) = -6*i3 + 3*i2 + 2*i + 1. Let c(z) = -7*z3 + 4*z2 + 2*z + 1. Let l(g) = -5*c(g) + 6*p(g). Let u be l(-3). Solve u*j + 5 = 1 for j.

-1

Let r(d) = -d**2 + d + 15. Let h be r(0). Let g be 3 - (1 + 1)/(-1). Solve 0 = -g*f - 0*f + h for f.

3

Let g be ((-18)/(-4))/(2⁄20). Let m = g + -17. Suppose -3 = -h + 5. Solve 0 = 5*l - m + h for l.

4

Let d(g) = g**2 - 5*g - 10. Let q be d(7). Suppose 2*v + j + q*j = 26, -8 = 4*v - 5*j. Solve 4*l = 5 + v for l.

2

Let c(q) be the second derivative of -q**4⁄12 - 4*q. Let s be c(0). Solve -x + 4 = -s for x.

4