Suppose -x + 4*x = 24. Let d = -3 + x. Let u = d + 1. Solve -u = -2*r + 2 for r.

Let p(b) = b3 - b2 - 3*b - 4. Let a be p(3). Let c = a + 0. Solve c*t + 2 = 27 for t.

5

Let x be (-1)/(-3 + ⁸⁄₂). Let n be 3/(-3)*4/x. Solve 10 = r + n*r for r.

2

Let o = -189 + 384. Suppose o = 2*k - 7*k. Let j be k/(-12) - ¹⁄₄. Solve -u + j*u = 10 for u.

5

Suppose -15 = 6*v - 15. Solve d + v*d = 0 for d.

0

Suppose -k = -0*k + 1. Let b be k/11-10. Solve -w - w = -b for w.

5

Suppose 6 = 2*j - 2. Solve -j*m - 10 = -2 for m.

-2

Suppose -4*k + 5*u - 13 = 0, 2*u = -k + 3*u - 2. Solve 0 + 3 = k*m for m.

1

Let j be (-5 - -7)/(2/(-4)). Let k© be the third derivative of -c⁴⁄₁₂ - c3 - 2*c**2. Let x be k(j). Solve 0 = x*s + 8 + 2 for s.

-5

Suppose -5*g + 85 = -5*n, 0*g - 2*g - 5*n = -69. Let x be g/121 + (-84)/(-22). Let z(v) = -v - 5. Let a be z(-5). Solve -x*j - 20 = -a for j.

-5

Suppose 5*j - 5*y = -25, 2*y - 1 - 1 = 0. Let w be 5 - 0*j/(-12). Solve 0 = w*v - v for v.

0