Suppose 5*k - 2*k + 30 = 0. Let u = k + 21. Suppose 0 = -j + 2*j + 3*a - 17, -2*j = -3*a + u. Solve 0 = x + j - 1 for x.

Suppose 0 = 3*t - 0*t + 48. Let p be (-4)/t - 39/(-4). Solve 3*f - p = -2*f for f.

2

Let r be (⁴⁄₅)/(⁴⁄₃₀). Let u be (-7)/(-3) + -2 + ²⁵⁄₁₅. Solve u*c - 12 = r*c for c.

-3

Let g = -21 - -23. Solve g = -3*p + 11 for p.

3

Let w(a) = a + 12. Let o be w(-8). Solve o*b = -b - 25 for b.

-5

Let k be (6/(-9))/(2/(-6)). Solve -k*o - 1 + 5 = 0 for o.

2

Suppose 3*m + 6 = 4*m. Solve v = m*v + 25 for v.

-5

Suppose -5*d = -2*u - 1 - 1, -2*d = -u - 1. Solve 5*w + 5 + 10 = d for w.

-3

Let p(x) = x3 - 9*x2 - 9*x - 5. Let z be p(10). Let t = 7 - z. Solve 0 = -t*i - 2*i + 12 for i.

3

Let k© be the first derivative of -c**²⁄₂ + 16*c - 1. Let r be k(12). Solve -g - 7 = -r for g.

-3

Let q be (39/(-12) - -1)*-12. Suppose 5*t + q = -3. Let g be -1 - (-2 + t) - 3. Solve 0 = -g*z + z for z.

0