Let a be 2 + -1 - (-3 - 0) - 2. Solve u = -a*u - 15 for u.

Let w be ⁴⁄₃₀ + ⁷³⁄₁₅. Let o(k) = k3 + 7*k2 + 6*k + 5. Let x be o(-6). Solve -x = 5*i + w for i.

-2

Let y = 20 + 4. Let x be (16/y)/(¹⁄₁₈). Solve -s = -5*s - x for s.

-3

Let d(u) = 5*u. Suppose 3*i + 5 - 2 = 0. Let j be d(i). Let f be 2/(-5) - 2/j. Solve f = k - 5*k - 8 for k.

-2

Let c = 3 + 2. Suppose -c*d - 20 = -5. Let r be (-1 + d + 3)*0. Solve p + 4*p + 10 = r for p.

-2

Let o© be the second derivative of c³⁄₃ - c2 - c. Suppose 4*b + 10 = 6*b. Let u be o(b). Solve 2*m = 4*m + u for m.

-4

Let p = -10 - -23. Let c = p + -10. Let b be c + -2*2/(-4). Solve -b*o = o for o.

0

Suppose 0 = 2*i + 3*g + 42, 2*g = 3*i - 3*g + 25. Let x be ⁴⁄₃ - 10/i. Suppose 2*t - 4*t - x*k + 6 = 0, k - 11 = -2*t. Solve -t = -n - n for n.

4

Suppose u - 2*i + 30 = 0, 2*u + 30 = -6*i + 4*i. Let v be ((-96)/u)/((-6)/(-20)). Suppose f + 6 = 3*d - 0*d, 0 = -3*f + d + 6. Solve 0 = f*x + v - 4 for x.

-4

Suppose -2*c = -4*o + 30, 0*c = 5*o - 4c - 42. Let h be ((-4)/o)/(²⁄₆). Let b be -2 - 14(h + 1). Solve 0 = x + 2*x - b for x.

4

Suppose -4*y - y = 4*l - 41, -4*y + 16 = -l. Suppose h = -4*s + 1 + 1, 5*h - 2*s - 10 = 0. Suppose 0 = 5*f + h - 12. Solve f*a = 2 + l for a.

3