Suppose 81 = -12*u + 15*u. Solve 5*y - 2 + u = 0 for y.

Suppose 0 = j + 1 + 5. Let f be ((-10)/j)/(⁴⁄₃₆). Let x be 6/f + ¹³⁄₅. Solve -2*k + 5*k + x = 0 for k.

-1

Suppose -3 = -0*y + 3*y. Let q = 0 + y. Let a be (2 + -2 - q) + 2. Solve 10 = -a*f + 25 for f.

5

Suppose 5z + 13 - 3 = 0. Let g = 0 + z. Let u be 1/g(-7 + 3). Solve -3*c + u = -1 for c.

1

Let q = 104 + -101. Solve -6 = q*o - 6*o for o.

2

Let n = -2 + 5. Let u(s) = -3*s + 5 - 4*s + 1 - sn + 7*s2. Let z be u(6). Solve z*c = c - 2 for c.

2

Let s be (⁹⁄₁₂)/((-2)/24). Let c be (-30)/s - ¹⁄₃. Solve -3*n = c - 0 for n.

-1

Let l(q) = q + 13. Let a be l(-10). Suppose -2*c + a*o = -0*c - 18, 0 = -3*c + 4*o + 25. Solve -3*s = -0*s + c for s.

-1

Let b(s) = s3 - 3*s2. Let c be b(3). Suppose -3*i - 2*i + 10 = c. Solve i*f + 1 - 11 = 0 for f.

5

Let m = -1 - -3. Let n(v) = v**2 - 5*v + 3. Let b be n(m). Let z be (-3)/(-9) - 8/b. Solve -2*k - z = -9 for k.

3

Suppose 2*c + 13 = 5*m, m + 6 = 2*m + 3*c. Solve 0*y - m*y = -15 for y.

5