Suppose -13*r + 24 = -7*r. Solve -3*h - 5 = r for h.

Suppose 2*c = -c. Let l(x) = -x2 - x + 2. Let v be l©. Let h(n) = -n2 + 9. Let g be h(-3). Solve g = -w - w + v for w.

1

Suppose 12 = -2*z + 6*z, -2*i - 12 = -4*z. Let o be 4 + (-3 - -2) - i. Let t© = c3 - 5*c2 + 4*c + 4. Let h be t(4). Solve -g + o*g = h for g.

2

Let r be 2/(3*⁴⁄₂₄). Let w = r + -4. Solve -4 + w = -t for t.

4

Let d be ²⁄₁₅ + ¹³³⁸⁄₉₀. Solve 0*y = 3*y + d for y.

-5

Let o be (12*(4 + -3))/1. Solve -5*j + j + o = 0 for j.

3

Suppose -50 = -5*v - 0*v. Solve -g - g - v = 0 for g.

-5

Suppose 3*j - 15 = -0*j. Solve j*d = d - 8 for d.

-2

Suppose -2*d = -7*d + 30. Solve d*c - c = 15 for c.

3

Suppose 4*y = 5*t + 172 - 16, -y + 2*t = -39. Suppose -5*h + y = -61. Solve -5*r + h = -r for r.

5

Let f be (-2)/((⁸⁄₆₆)/2). Let n be (-12)/(-42) - f/7. Solve 1 = 2*j + n for j.

-2