Let y(h) = 4*h - 13. Let z(s) = 2*s - 7. Let n(w) = 3*y(w) - 5*z(w). Let j be 1/(1 - 6/9). Let q be n(j). Solve a = -a - q for a.

Let j(d) = -5*d2 - 7*d - 3. Let t(z) = z2. Let u(b) = -j(b) - 6*t(b). Let y be u(7). Solve 4*v = y*v + 5 for v.

5

Suppose -5*c = -5*j + 30, -4*j + 7*j = 2*c + 16. Suppose n - j*n = -6. Solve n*f + 7 = 3 for f.

-2

Let h = 5 - 3. Suppose -2*c - h*g = 0, -8*g - 28 = -2*c - 3*g. Solve -c*n - 12 = -4 for n.

-2

Let q = 6 - 8. Let m be -1*(-7 - (1 + q)). Let p be 50/m + (-2)/6. Solve 0*o + 4*o = -p for o.

-2

Suppose 2*r = -3*c - 4 + 1, 3*c = 4*r - 39. Suppose 0 = -f - 0*f + r. Let u(l) = l**2 - 6*l + 2. Let z be u(f). Solve 0 = -q - z*q for q.

0

Suppose 5*g + 9 = 34. Suppose -6*d = -g*d - 1. Solve 4*b = -d - 15 for b.

-4

Let j be (10/(-4) - -4)/(¹⁸⁄₄₈). Solve -7 - 13 = j*x for x.

-5

Let a(y) be the second derivative of -y³⁄₃ - 2*y2 - 3*y. Let d be a(-4). Solve 4*m - 3*m - d = 0 for m.

4

Suppose -13 = -4*f + 11. Let u = f + -3. Let h be (u/5)/((-3)/(-15)). Solve -7 = 2*c + h for c.

-5

Let a = -61 + 61. Solve q + 3*q - 8 = a for q.

2