Suppose 4*w = -5*u + 44, -2*w + 20 = 3*u - 6*w. Suppose -28 + 44 = u*z. Solve -5*j - 25 = 0, -5*x - 25 = 3*j + z*j for x.

Let g(z) = -z3 - 13*z2 - 4*z - 4. Let x be g(-13). Suppose -113 - 79 = 4*u. Let r = x + u. Solve -5*n + r*q = -4*q + 8, 0 = 3*n - 4*q for n.

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Let j(a) = a**2 - 3*a - 2. Let y be j(5). Suppose 70*b = 66*b + 16. Suppose 0 = 4*u, -4*u = -b*v - 0*v + y. Solve -z + 3*i = -v, 0 = -2*z + 3*z - i - 4 for z.

5

Let s be 164/(-3) - ⁷⁄₂₁. Let t = s + 71. Suppose -2*b + 3 = -1. Solve -2*h - t = b*h - 3*o, -4 = h + 4*o for h.

-4

Let l = -204 + 208. Suppose 3*h + 20 = -l*p, -4*h + p = -5 - 0. Solve -g + h*g = 2*c, g - 2*c + 8 = 0 for g.

-4

Let v be 1*(-1 - (³⁄₁ + -4)). Suppose -15*d + 4 + 71 = v. Solve -o - 10 = -2*r, 2*o = r - d - 6 for r.

3

Suppose 0 + 2 = -d. Let b = d + 5. Let v = -16480 + 16481. Solve -3*f + 2*x = -v, -2*f + b = -x + 1 for f.

3

Let q be (-2 - (-21)/4) + ⁹⁄₁₂. Suppose 5*r - 8*r = 18. Let c be -15*11/(55/r). Solve 0*w = -4*w + h - c, -3*h + q = -2*w for w.

-5

Suppose 5*m + g + 26 = -0, 3*m + 4*g + 2 = 0. Let z be (¹⁰⁄₁₄)/(m/(-42)). Solve -4*p + 0*p - 8 = 0, -z = 3*d - 2*p for d.

-3

Let a(z) = 5*z3 - 2*z2 + 1. Let c be a(1). Suppose 15*b + 29 + 31 = 0. Let t be -3 + (-126)/b + (-6)/12. Solve -1 + 5 = -2*d - 3*m, 3*m + t = c*d for d.

4

Let n(h) = -5*h - 24. Let j be n(-25). Let c = -85 + j. Solve -3*t - t - 2*b - c = 0, -5*t = -5*b + 20 for t.

-4