Let v(r) = -r. Let g be v(-15). Suppose 0 = 3*q + g, -f + 3*q + 75 = 2*f. Solve s + f = -3*s for s.

Suppose -3*n + b + 31 = 8, -5*n + 25 = -5*b. Let s(w) = -w + 6. Let y(i) = -i**3 + i + 3. Let l be y(0). Let a be s(l). Solve -n = 6*p - a*p for p.

-3

Let y(x) = x**2 + 13*x + 4. Let t be y(-13). Let v(p) = p. Let c be v(10). Let i = 15 - c. Solve -6 = -i*f + t for f.

2

Let r be ²⁄₈ - ²⁄₈. Let s = 3 + 0. Suppose c + 3 = 2*c. Solve r*j + c*j - s = 0 for j.

1

Let a be 15/(-2)*(-4)/6. Suppose -3*p + 2*q + 20 = 6*q, p + 2*q = 4. Let c® = r + 6. Let i be c(-6). Solve -d + a*d - p = i for d.

3

Let t(l) = -l - 17. Let w be t(-14). Let f be w/(-9) - (-4)/6. Solve 3*z - f = 2*z for z.

1

Let y be (-1)/((⁹⁄₁₂)/(-3)). Suppose 3*d - 14 = 3*c - 2*c, -5*d - 2*c = -27. Solve y + 6 = d*b for b.

2

Suppose 0 = r + 5*z - 10 - 8, 0 = -5*r + 3*z + 6. Solve -r*k + 0*k + 9 = 0 for k.

3

Suppose -8 = -4*c + c + 5*r, -5*c - 3*r = -2. Solve 4*v + 7 + c = 0 for v.

-2

Let r be (3 - -1)*(-2)/(-4). Let j be (4 + -3 + 1)*r. Solve q - 12 = j*q for q.

-4

Let w = -50 + 75. Solve c - 6*c = w for c.

-5