Solve -21*x + 18*x = 0, 2*t + 3*x = 10 for t.

5

Solve 0*b + b - 2*k + 1 = 0, 2*b - 3*k + 4 = 0 for b.

-5

Solve -2*m = -4*s + 8, m + 7 = -5*s + 17 for s.

2

Solve 0 = c - 3*x, -62*c + 5*x - 2 = -61*c for c.

3

Solve 9*c - 5*c = y + 19, 3*y = 3 for c.

5

Solve 2*u - p + 4 = 0, 3*u - p = 2*u - 4 for u.

0

Solve 2*o - 8 = 0, 0*u + 4*o - 32 = -4*u for u.

4

Solve o + 0*o - 3*x = 7, -2*x = -5*o - 17 for o.

-5

Solve 3*x + 4*d = 0, 3*d = -4*x + 4*d - 19 for x.

-4

Solve 3*s + 8 = -5*g - 23, 5 = 5*s - 3*g for s.

-2