Let i be (4/(2 - 1))/((-28)/(-28)). Solve 0*o - o = -2*u + 7, -16 = i*o - 4*u for o.

Let p(s) = s3 - 40*s2 - 14*s + 563. Let k be p(40). Solve 30 = -5*h + 5*o, 2*h + k*o - 2*o = -6 for h.

-4

Let a be (-1 - ²⁄₄)/(6/(-12)). Let v be 6*¹⁄₃ + (a - 0). Solve -o - v*c = -7, 9 = o + 4*o - c for o.

2

Let t(d) = 12*d + 3. Let i be t(5). Suppose -4*a + i = -7*a. Let z = 25 + a. Solve z*v + 9 = f - 11, 2*f = -2*v for v.

-4

Suppose -a - 18 = 4*s - 7, -2*a = -5*s - 30. Suppose -4*g = -d + g - 3, 3*d - g = a. Let x be ⁶⁄₈*6*d. Solve -y - 2*y + x = 0, 2*f - 3 = y for f.

3

Let j(l) = -l + 7. Let a be j(5). Suppose 7*w - 5*w = 84. Suppose 3*u + 33 = w. Solve -t + 3*t = -u*c, a*t = c for c.

0

Suppose 2*z - 106 = -4*c, 4*c + 69*z - 103 = 68*z. Suppose a = -3*a. Let n = 3 - a. Solve n*p = -2*o - 7 - 4, 5*p = -c for o.

2

Let d be (-2)/(⁴⁄₂₀*-2). Suppose -d*g = 4*g - 4*g. Let h = 10 - 6. Solve 9*c - 7 = h*c - 4*o, g = c + 5*o - 14 for c.

-1

Let w(h) = 8*h + 30. Let s be w(14). Suppose -2*z = -2*o - s + 44, -z - o = -41. Solve -5*y - z = -5*f, 4*f + 4 = -0*y - 4*y for f.

4

Suppose -22 + 72 = 25*f. Let p be ((-42)/(-35))/(⁶⁄₅₀). Solve -7*i = -3*g - f*i + 14, 3*g - p = 4*i for g.

-2

Let w(b) be the second derivative of -b⁴⁄₁₂ - 10*b³⁄₃ + 53*b**²⁄₂ + 57*b. Let r be w(-22). Solve -d + r + 7 = 4*h, -3*h + 17 = 2*d for h.

3