Suppose -5*h + 20 = y, y + 3 - 20 = -4*h. Solve y*t - 5 = 5 for t.

2

Let u® be the first derivative of -r3⁄3 - 7*r2⁄2 + 10*r - 1. Let m be u(-8). Let h be (-42)/(-7) - m/2. Solve -h*n + 3 = -2 for n.

1

Let o be ((-72)/(-27))/((-2)/(-6)). Solve 0 = -4*l + 2*l + o for l.

4

Suppose -2*b + 32 = -0. Let w = b + -16. Suppose k = -5*r + 15, -2*k + 4*r - 9 = 3. Solve -i + k*i - 5 = w for i.

-5

Let v = 0 - 2. Let m = v - -5. Suppose i + 2*z + 2*z = -7, m*i - 5*z - 30 = 0. Solve -i*s = -3 - 2 for s.

1

Let s be 1 - 3/(-9)*-3. Let g be (s - 0) + 8⁄8. Solve 3*l = -2 - g for l.

-1

Suppose 22*p = 26*p - 8. Solve 0 = p*m + 2*m for m.

0

Suppose 0 = 5*a + 5*f + 15, 0*f = a - f - 3. Suppose 0*t + 2*t = a. Suppose t*c = -2*c. Solve d - 4*d + 15 = c for d.

5

Let d be -4 - -1 - (-5 + 0). Solve -1 = -3*k + d*k for k.

1

Let a = 125 + -119. Solve 5*w - 2*w = a for w.

2