Let l(m) = -2*m + 1. Let n be l(-2). Solve n*f - 19 = 6 for f.

5

Let m(g) = g3 + 5*g2 - 4*g + 4. Let w be m(-6). Let h be (-2)/w + (-7)/28. Solve -4*b + h*b - 20 = 0 for b.

-5

Suppose 20 = -5*r, -32 = -z + 5*r - 10. Solve z*k = 6*k for k.

0

Suppose 1 = b - 5. Let u be (7/(-21))/(2/b). Let k be 8 + 3 + u/1. Solve 8*z - 3*z + k = 0 for z.

-2

Let f be (63⁄6)/((-3)/(-4)). Let n = -3 - -9. Let x be 1/(-3) + f/n. Solve -6 = -d - x*d for d.

2

Let f be 5⁄10*4*7. Let a = f - 12. Solve -5*s + a*s = 0 for s.

0

Suppose 2*x = -2*x + 2*y + 64, -3*x + 41 = -5*y. Suppose 4*d - 5*s = x, 4*d - 8 + 0 = -4*s. Solve -2*m - d = -3*m for m.

3

Let p be (5 + 0)/(0 - 1). Let u(b) = b3 + 6*b2 + 5*b. Let r be u(p). Solve 0 = -3*m - r - 6 for m.

-2

Let j = -4 - -1. Let x = 5 + j. Solve -4*p = -x*p - 4 for p.

2

Suppose -6*l + 7*l = 9. Let u = l - 4. Solve 0*r = u*r + 10 for r.

-2