Let j(p) = -p. Let h be j(-3). Solve -h*l - l = -20 for l.

5

Let x be 7 - ((-2)/4)/(1/(-2)). Solve -x*s + 8 = -2*s for s.

2

Let f(o) = o**2 + 7*o - 8. Let y = -7 - 1. Let l be f(y). Suppose 3*a - 18 + 3 = 0. Solve l*z + 25 = -a*z for z.

-5

Let s be (35 - 0) + (-5)/1. Solve s*a - 8 = 26*a for a.

2

Let k(f) = -f**2 + 4*f + 3. Let z be k(4). Solve -3*s = z + 9 for s.

-4

Let v© = c3 + 13*c2 + 21*c - 3. Let w be v(-11). Solve -3*s = -s + w for s.

-4

Suppose 4*m = -0*m + y - 22, -4*m - 5*y - 34 = 0. Let p = 6 + m. Solve p = -r - 1 - 3 for r.

-4

Suppose 0 = -0*m - 4*m + 20. Suppose -m = -4*s + 7. Suppose 6*z - 56 = 2*z + 2*o, s*z = -4*o + 64. Solve 4*v - z = -4 for v.

3

Let a be (-9)/35-1. Solve -2*r + 7*r = -a for r.

-3

Let n = -8 - -10. Let p be (-17 + 9)*(-1)/n. Solve 6 = p*i - 2*i for i.

3