Suppose 0 = -7*r + 2*r + 25. Solve r + 0 = -z for z.

Suppose -4*q + 5 = -3. Let u(f) = f + 1. Let r be u(-1). Suppose -3*c + d + 14 = -2, 4*d + 16 = r. Solve 3*k = q*k + c for k.

4

Let v be (-3)/(-21) + 5/(-35). Suppose 0 = -0*y - y + 4. Let g© = c3 - 4*c2. Let q be g(4). Solve q = -v*l - y*l for l.

0

Let f = 2 + 54. Let h be (2/(-4))/((-7)/f). Suppose h*r = 3 + 9. Solve 0 - 3 = r*t for t.

-1

Suppose 0 = 10*c - 15*c + 15. Solve a + 0*a = -c for a.

-3

Let k = -30 - -30. Solve p + k = -3 for p.

-3

Let w be 10 - (2 + 1 - 1). Suppose 0 = 3*r - 5*b + 2*b, 0 = -b + 3. Solve -r*y = -4 - w for y.

4

Suppose -2*b + 2*j = -7 + 3, 4*b - 29 = -3j. Let w be b(¹⁶⁄₅)/4. Let m be (-8)/4*(-10)/w. Solve -12 = m*s + 8 for s.

-4

Let d = -17 + 23. Suppose -4 = 4*c - d*c. Solve w - c + 5 = 0 for w.

-3

Suppose -3*c + 9*z = 4*z + 1, 0 = c + 4*z - 11. Solve -c*b = -6*b + 6 for b.

2

Let i be 18-3(-2)/18. Let d be i/18 - (-2)/(-6). Solve d*k + 2*k = -10 for k.

-5