Suppose -d + 3*d + 12 = 0. Let s be 0*((-15)/d - 3). Suppose s*u - 4*u + 20 = 0. Solve -u*z = -4*z for z.

Let k be (-2 + (-107)/(-2))*2. Suppose -4*r + k = 2*x + x, 5*x = -4*r + 105. Solve 4*i - r = -i for i.

5

Let n be 0*(2 + 9/(-6)). Solve -2*w - 3*w + 5 = n for w.

1

Let i be (-12)/10*5/(-2). Suppose -4*k = 16, -i*a + a - 2*k = -2. Solve a*v = -15 - 0 for v.

-3

Let l = -8 + 11. Suppose l*a + 0 = 5*s - 19, -5*s - 5*a = -35. Solve 0*d + s*d + 10 = 0 for d.

-2

Let g be 4 - (2 + -2)/(-1). Let a(y) be the first derivative of y³⁄₃ - 3*y2 - 6*y - 2. Let p be a(7). Solve -g = -3*u - p for u.

1

Let x(i) be the second derivative of i⁵⁄₁₂₀ - i⁴⁄₆ - i**³⁄₃ + i. Let j® be the second derivative of x®. Let c be j(4). Solve 0 = -q - 2 - c for q.

-2

Let f(o) = -6 + o**2 - o - 4*o - 2*o. Let p be f(8). Solve -s + p*s - 1 = 0 for s.

1

Suppose l - r = 2*r - 2, 4*l - 22 = -3*r. Suppose -3*f + 4*f = -2*g - 2, -18 = -2*g + 4*f. Solve -3*d + g = -l*d for d.

-1

Suppose m - 12 = -5*s, 0*m + 2*s = m + 2. Suppose 0 = -2*z + x - 22 + 6, z + 8 = 3*x. Let t = z - -18. Solve -3*r + t = m*r for r.

2

Suppose 3*f + 3*h - 2*h - 64 = 0, 4*f = -4*h + 96. Solve -f = 5*x - x for x.

-5