Suppose 5*z + 2*y - 20 = 0, -5*y + 0*y + 20 = 5*z. Solve -z*i + 4 = 12 for i.

-2

Let k be (-39)/(-9) + 2/(-6). Solve 3*b - 4 = k*b for b.

-4

Let k be (7 - 12/(-4)) + -1*1. Solve 0 = 3*i - 6*i + k for i.

3

Let y = -18 + 18. Solve 0 = -2*k - y*k for k.

0

Let w(j) = 4*j2 + 3*j + 1. Let x(d) = -5*d2 - 2*d - 2. Let g(s) = -4*w(s) - 3*x(s). Let u be g(-6). Solve -n - n = -u for n.

1

Suppose -p - 16 = -4*c, 0*c - 5*c + 5*p = -35. Solve 2*v = c*v for v.

0

Let k(q) = q3 + 10*q2 - 10q + 11. Let w be k(-11). Let d be -1 - 1(1 - 2). Solve d*z + 2*z = w for z.

0

Let z be 11⁄6 - 12/(-72). Solve z*b + 0*b = 2 for b.

1

Let h be (1 - -2) + (-2 - -2). Let j(t) = 2*t**2 - 2*t. Let q be j(2). Suppose -q = -2*d - 2. Solve -2*k + h*k - d = 0 for k.

1

Let k(a) be the first derivative of -a3⁄3 + a2 + 4*a + 2. Let w be k(3). Let o = w + 2. Solve -o*v = -4*v + 1 for v.

1