Let d = 21 - -4. Suppose -4*v + d = v. Solve v*b + 1 - 21 = 0 for b.

Suppose 4*s - 11 - 9 = 0. Let j be s/15 - ³⁄₉. Solve j = 3*b + 2*b for b.

0

Suppose -10 = -5*h - 0. Solve -3*g + h*g + 4 = 0 for g.

4

Suppose 3*w - r - 6 = 0, -r = 3*w + 3r - 21. Let u be ⁴⁄₁₀(w - -7). Solve 0 = -0*q + u*q for q.

0

Suppose 3*f + 9 = -c, -3 = 3*c - 2*f + 13. Let k = 8 + c. Solve 6 = -4*w + k for w.

-1

Let g be ¹²⁄₁₈ + (-16)/(-3). Let l(o) = -o**2 + 7*o. Let n be l(g). Solve 3*b + 9 = -n for b.

-5

Let w(d) = -d3 - 16*d2 - 17*d - 28. Let s be w(-15). Solve l = -l + s for l.

1

Let y(t) = -t3 - t2 - 4*t - 3. Let n be y(-2). Let i = -8 + n. Solve -i = s - 4 for s.

3

Let v be ((-2 + 2)/(-2))/(11 - 12). Solve -3*k = -v + 6 for k.

-2

Let b(l) = l. Suppose -4*n + 12 + 0 = 0. Let p be b(n). Solve -m = -p*m for m.

0

Let c be ²⁄₄*(0 - -10). Suppose 5 = 5*k - c. Solve k = -q + 1 for q.

-1