Let t be 108/30 + (-8)/(-20). Solve 4 - 20 = -t*z for z.

Let c be (1 - 2) + 2*2. Suppose -a = -c*k + 6, 0*a = -5*a. Solve -k*h = h for h.

0

Let y(b) = 5*b. Let w be y(4). Let p(a) = a**2 - 4*a + 5. Let z be p(4). Solve -q + z*q - w = 0 for q.

5

Let q be (-4)/(-3)*(-8 + 17). Solve -4*p + q = 4 for p.

2

Suppose 2*o = j + 19, 4*j - 3*j - 5 = 0. Solve 0*w = -3*w + o for w.

4

Let h® = r3 - 8*r2 - r + 9. Let g be h(8). Solve -b = -1 - g for b.

2

Suppose -2*a + 7*a + 1 = -z, -4*z + 17 = -a. Suppose 0*m - 2*l - z = 5*m, -8 = -m + 4*l. Solve m = -i - 2 + 3 for i.

1

Let j(u) = -u + 5. Let x be j(0). Suppose 0 = x*g - 0*c + c - 21, -13 = -3*g - c. Let v be ⁸⁄₁₂ + (-43)/(-3). Solve g*q - q = v for q.

5

Suppose -5*i + 10 = 0, 56 = 3*n - 2*i - 0*i. Suppose 5*y + 5*g = n + 5, -y + 2*g - 10 = 0. Solve 4*j - 7 - 9 = y for j.

4

Suppose -4*f - 19 = -w, -4*f + 4 = 2*w + 14. Let y = -2 - -6. Solve -w*s = -19 + y for s.

5

Suppose 2*r + 8 = 2*f - f, -3*r + 14 = 5*f. Let x be (⁶⁄₃)/(f/6). Solve x*l - 1 = -4 for l.

-1