Let f be 6⁄2 - 3⁄1. Solve -4*k + 5 - 21 = f for k.

-4

Suppose 2*w + 2 = 16. Suppose 4*r + 3 = w. Let m(f) = -2*f - 4. Let o be m(-3). Solve -r - 5 = -o*y for y.

3

Let n(z) = z3 - 7*z2 + 8*z - 5. Suppose 20 + 4 = 4*y. Let g be n(y). Let w = 11 - g. Solve -w*b + 0*b = 0 for b.

0

Suppose -2*a + 4*f - 10 - 16 = 0, -2*f + 10 = 0. Let r(k) = 5*k - k2 + 0*k - 1 - 4*k + 3*k - k3. Let q be r(a). Solve 0 = -5*i + 5 + q for i.

2

Let k = 34 - 18. Solve -o + k = -5*o for o.

-4

Let m be 16/(-12)3-1. Suppose -3*r = -5*c, -5*r + 0*r = -4*c. Solve -d - 1 + m = r for d.

3

Suppose -y - 2 = 0, t + 2*y = 4*t - 31. Let h = 29 - 27. Solve -h*f - f = t for f.

-3

Let w(j) = 50*j - 1. Let o be w(1). Suppose m + 25 = 3*u - u, 0 = -4*u + 3*m + o. Suppose -5*k + 5*f - 3 = 12, -4*k + u = f. Solve r + k = -0*r for r.

-2

Let b(a) = a - 3. Let u be b(5). Suppose 5*t - u*t - 45 = 0. Let f be -2 - (-1 - t/3). Solve 3*o + f = 5*o for o.

2

Suppose -1 = -4*r + 11. Suppose r*p + 2*p = 15. Solve p*u - 1 = 2 for u.

1