Let k = 86 + -84. Solve -k + 3 = z for z.

1

Let s be (144/(-28))/3*7. Let u = s + 15. Solve 15 = 2*w + u*w for w.

3

Suppose -20 = 5*a + 2*o + 3*o, -22 = -2*a + 4*o. Let k(m) = m - 2. Let f be k(4). Solve 3*b = -f - a for b.

-1

Suppose -r - 16 = 5*h, -13 - 10 = -2*r + h. Suppose i = -a + 1, 2*a + 3*a + i - 9 = 0. Solve -r = x + a*x for x.

-3

Suppose 5*p - t = 3*t + 31, -p = -2*t - 11. Solve -1 = p*f - 4 for f.

1

Let a(j) = 10*j2 + j - 20. Let k(q) = 2*q2 - 4. Let t(b) = -2*a(b) + 11*k(b). Let h be t(3). Let c be 5216 - 2/h. Solve 0 = 2*n - c*n - 1 for n.

-1

Let j(z) = z3 + z. Let b(h) = -h3 + 6*h**2 + 5*h + 5. Let o© = -b© - 2*j©. Let x be 24/(-5) - 15. Let p be o(x). Solve q = p*q for q.

0

Let x = 55 - 47. Solve r + x = -r for r.

-4

Suppose 4 = 5*s - 2*u, -3*u + 18 - 1 = 4*s. Solve 4 + s = -2*g for g.

-3

Suppose 4*w - 11 = 2*l + l, -5*l - 5*w + 40 = 0. Suppose -6 = -3*a + k + 2, -3*k = -l*a. Solve -11 = 5*r + a for r.

-3