Suppose 0 = -5*u + 2*u - 42. Let t = -12 - u. Solve 0 = t*d - 2 for d.

Let h = 10 - 6. Solve 0 = -5*o + 4*o + h for o.

4

Let r be ³⁴⁄₈ + 1/(-4). Suppose 3*q - r = q. Let c be ((-15)/(-25))/((-2)/(-20)). Solve 0 = q*d + c - 0 for d.

-3

Suppose -r + 4 = 0, 4i - r - 5 - 3 = 0. Let q be (1 - 3)(-6)/12. Solve q = i*f - 11 for f.

4

Suppose -2*f = -75 + 21. Let j = f - 24. Solve -o = -j*o - 6 for o.

-3

Let o(n) = n + 1. Let m be o(3). Suppose -3*h + m = -2. Solve -12 = -2*s - h*s for s.

3

Suppose 0 = 3*a + 4*c - 22, a + 2*c = -2*c + 18. Solve a*g - g - 4 = 0 for g.

4

Suppose -t = -0*t - 2. Let p be t/(-12) - 387/(-54). Solve -4*o - 9 = -p*o for o.

3

Let v be (-1)/1 + -5 + 10. Solve 2 = -v*h - 6 for h.

-2

Let i be (-113)/(-4) - ¹⁄₄. Suppose 0*g + 5*g = 3*j + 16, -5*g - j + i = 0. Solve -2 = g*m - 22 for m.

4

Let z = -25 + 27. Let a(h) = 2*h**2 - h + 1. Let s be a(1). Solve 12 = -z*p - s*p for p.

-3