Let f = 0 - -2. Solve f = 2*r - 2 for r.

Let f = -13 - -19. Let p = -3 + f. Solve 0*k - k = p for k.

-3

Let g© = -c + 1. Let h(u) = -3*u + 3. Let x(p) = -14*g(p) + 4*h(p). Let i be x(6). Solve 0 = -3*l - i + 1 for l.

-3

Let c = -17 + 11. Let n = c + 12. Solve 0 = -0*w + 2*w + n for w.

-3

Suppose -4 = 2*b + s, 2*b + 2*s = -b - 5. Let j = 4 + b. Solve -2*t - j = 7 for t.

-4

Let z = -3 + 8. Solve 0*u = u - z for u.

5

Suppose 0 = 8*l - 4*l - 12. Suppose -q = -4*q + 12. Let j be (3 - -1)*6/q. Solve j*n = l*n for n.

0

Let o be (⁴⁄₅)/(¹²⁄₉₀). Let k = 9 - o. Suppose -k*v - 9 = 0, -3*h - 5*v - 4 - 5 = 0. Solve 5*u + 9 = h*u for u.

-3

Let o(y) = -5*y3 - 8*y2 + 10. Let a(k) = k**3 + k. Let h© = 6*a© + o©. Let d be h(7). Solve -1 - d = z for z.

-4

Let w(d) be the first derivative of d3 - d2 + d + 1. Let j be w(1). Solve -j*b = -3 - 3 for b.

3

Let a be (4/(-3))/(2/(-9)). Suppose 4*c = -3*v + 3*c + a, 4*v - 15 = c. Let j be (-2)/(-9) - ²⁄₉. Solve 3 = -v*b - j for b.

-1