Let a = 161 - 160. Let t be (a*-3)/((-6)/18). Solve 3*d - t = 0, 3*d - 4 = u + 1 for u.

Let s(y) be the first derivative of 2*y³⁄₃ + 13*y²⁄₂ + 10*y + 74. Let g be s(-6). Solve 4*v = 6*z - 3*z - 6, -3*z + 6 = g*v for z.

2

Suppose -96*p + 124*p = 84. Solve x = 5*m - 9, 2*m + 13 = -p*x + 3 for m.

1

Suppose 82*q - 66*q - 32 = 0. Solve 11 = 3*y - 5*f + 4, -y + 3 = -q*f for y.

-1

Suppose 3*i - 6*i + 64 = 5*i. Solve -4*u + o = -14, i*u - 10 = 7*u - 3*o for u.

4

Let o(i) be the second derivative of -3*i + 0*i3 - ¹⁄₂₀*i5 + 0 + ⁵⁄₁₂*i4 + ³⁄₂*i2. Let j be o(5). Solve -y - 4*d = -j, -y = -6*y - 3*d - 2 for y.

-1

Let q(n) = -n3 + 11*n2 - 6*n + 5. Let l be q(10). Suppose 0 = -5*m + l + 5. Let g(j) = j - 6. Let v be g(m). Solve s - 2*s = 5, 4*u + 4*s + v = 0 for u.

4

Let r be 4/(-22) - ²⁴⁰⁶⁰⁄₁₆₅. Let q = r + 147. Solve y = 3*c - 2 + 12, 2*c + q = -5*y for y.

1

Let s = 3462 - 3456. Solve -s = d + 3*h, -5*d - h - 4 = -2 for d.

0

Let c(f) be the second derivative of 0 + ¹⁄₄*f4 + ⁷⁄₂*f2 + 10*f - ⁸⁄₃*f**3. Let i be c(5). Solve i*d = t - 4*t - 1, t = -3*d - 12 for d.

-5

Let o(d) = d**2 - 6d - 1. Let r be (0 + -2)(-7 - -9). Let a be o®. Let u = 2166 + -2161. Solve u*b - 10 = k, 5*k = -3*b - a + 17 for k.

-5