Suppose 27 = 7*w + 2*w. Solve -u - 10 = -w*u for u.

Let z be ¹⁸⁄₇*(-56)/(-6). Let u = z - 12. Let q be u/9*⁶⁄₄. Solve -n + 2 = -q for n.

4

Suppose 6 = -3*b + 21. Let u be (¹⁄₂)/((-9)/(-576)). Let k = u + -20. Solve b*g = g + k for g.

3

Let j(m) = m. Let v(y) = 4*y. Let p(u) = 15*j(u) - 5*v(u). Let d be p(-1). Solve d*i + 13 = -2 for i.

-3

Let a(o) = o2 + 4*o - 7. Let i be a(-5). Let s(g) = g2 + 2*g + 2. Let x be s(i). Solve -2*c + 20 = x*c for c.

5

Let o(k) be the first derivative of k**²⁄₂ + 10*k + 2. Let z be o(-10). Solve z*c = -c + 3 for c.

3

Let p be 3 - ((-6)/(-2))/(-3). Suppose -3*w + p*w + 10 = -4*d, -5*d - 7 = 4*w. Suppose o + 2 = w*o. Solve 2*y + o = -0 for y.

-1

Let z® = 8*r**3 - 2*r + 1. Suppose -y = 4 - 5. Let s be z(y). Solve s - 3 = -4*f for f.

-1

Let n© = -11*c + 10. Let k(q) = -10*q + 9. Let p® = -7*k® + 6*n®. Suppose -2*j - 2*u + 6 = -0*j, 3 = j - 4*u. Let a be p(j). Solve a = 2*t + t for t.

3

Let m(y) = y3 - 7*y2 + 5*y + 8. Let f be m(6). Suppose 0 = -7*u + f*u + 4*q + 21, -3*u - 2*q = -17. Solve u*c - 5 = 20 for c.

5

Let u = -1 + 1. Let a = 82 + -66. Solve -4*r + 4 - a = u for r.

-3