Suppose 45*f + 4 = 47*f. Solve -f*d = d for d.

Suppose -55 = -5*w + 3*f, w - 19 - 9 = 4*f. Solve -w*j - 25 = -13*j for j.

5

Let c be (-24)/48 - 3/(-2). Solve 0*l = -l + c for l.

1

Let s(w) = w3 - 3*w2 - 2*w - 4. Let z be s(4). Solve -z*f - 10 + 2 = 0 for f.

-2

Let u = 18 + -12. Suppose u*n = 49 - 19. Solve -3*h + n = -8*h for h.

-1

Let x(s) = -3*s3 - 10*s2 + s + 7. Let w(t) = 41*t2 - t - 3 - 25 + 13*t3 - 3*t. Let d® = -2*w® - 9*x®. Let v be d(-8). Solve 14 + v = 5*i for i.

3

Suppose -22 = 11*z - 88. Solve -l = -z*l for l.

0

Let c be -2 + 6 + (6 + -4)*-2. Solve c = 3*p - 0*p for p.

0

Let f(i) be the second derivative of -i³⁄₆ - 3*i²⁄₂ + 5*i. Let b be f(-4). Solve 7 - b = -2*c for c.

-3

Let o(x) = -16*x. Let q be o(-1). Let l = -13 + q. Suppose -5*n + 3 + 28 = 3*i, -2*n + 12 = i. Solve n*a - l*a = 4 for a.

2

Let g(i) = -i + 6. Let m be g(7). Let n be (¹⁄₃)/((-1)/3). Let x = n - m. Solve -5*u + x*u + 20 = 0 for u.

4