Let k be (-7)/21 + 3/9 + 0. Solve k + 4 = t for t.

Let o = 7 - 18. Let a = -1 - -21. Let g = a + o. Solve -4*u = -g*u + 20 for u.

4

Suppose -5*p + 59 = 4*j, -4*p + 0*j = 2*j - 52. Solve -v = 4*v + p for v.

-3

Let z = -3 - 0. Let x = 12 - 14. Let y be z*(²⁄₂ + x). Solve y = -o + 2*o for o.

3

Let k be (0 - 2) + 11 + -7. Let t(y) = -7*y + 1. Let u be t(k). Let q = -9 - u. Solve -5*j - q = -14 for j.

2

Let w® = -r3 - 5*r2 + 5*r - 1. Let p be w(-6). Solve 5*c - p = 5 for c.

2

Suppose f = 5 - 0. Suppose -3*d = f*i - 69, -i + 27 = 7*d - 2*d. Solve 5*z - i = z for z.

3

Suppose -28*b + 15 = -23*b. Solve 3*r = 2*r - b for r.

-3

Let g be (0 + 6)*⁶⁄₄. Let n = 4 - -1. Solve -g = 2*p - n*p for p.

3

Let h® = -r + 11. Let c be h(-9). Solve -c = 6*k - k for k.

-4

Suppose 2*d = 4*d - 4. Solve -g + d = 7 for g.

-5