Suppose -2*s = -2, 2*s = -2*p + 4*s + 52. Suppose p = -5*z + 107. Solve 0 = 5*r - r - z for r.

4

Let r = -4 + 7. Suppose -2*a - x + 1 = -8, -21 = -r*a - 3*x. Suppose 0 = -5*l, -a*y + 7*y + 4*l - 50 = 0. Solve 0 = z - 3*z + y for z.

5

Let h = -86 + 88. Solve -z = -0 - h for z.

2

Let j = -2 + 4. Let x(o) = 4*o - 2. Let f be x(j). Solve -4*p - f = -p for p.

-2

Let v be 4/((-5)/(15⁄6)). Let m be 1 - 2 - (v + 1). Let k be 2⁄8 - (-33)/12. Solve m*x = -k*x - 12 for x.

-4

Suppose p + 7 = -0*p - 3*q, 3*q = 0. Let d = p - -7. Solve d*z + 4 = -z for z.

-4

Suppose -10*c = -7*c - 60. Solve f + 3*f = -c for f.

-5

Let z© = c3 - 6*c2 - 7*c - 2. Let g be z(7). Suppose -7*t + 3*t = 0. Let w be (t*g/4)/(-1). Solve 3*f + 0*f - 15 = w for f.

5

Let l(u) = 0*u2 - u - 20*u3 - 1 + 0*u3 + u2. Let s be l(-1). Solve 0 = 3*x + s - 6 for x.

-5

Let m(o) = -4*o - 33. Let g be m(-11). Solve 0 = -5*x + g - 1 for x.

2