Suppose 7*k - 2*k + b = 9, 0 = -2*k - 4*b. Solve -k*x - 5 = 3*x for x.

Suppose -j - 3 = -8. Solve 10*w = j*w + 5 for w.

1

Suppose 15 = -0*o + 3*o. Let n(m) be the second derivative of m⁴⁄₁₂ - m³⁄₂ - 5*m**²⁄₂ + 4*m. Let z be n(o). Solve z*r + 1 - 6 = 0 for r.

1

Suppose 3*h + 25 = 4*h. Suppose d - 3*m = 3*d - 7, -m = -5*d - h. Let a be (⁵⁄₁₀)/((-1)/d). Solve -5*k = -3 - a for k.

1

Suppose d = -4*d + 15. Suppose -3*y = -4*h + d, 2*h = 5*y - y - 6. Solve -8*x + h*x = -20 for x.

4

Let o(s) = s3 + 7*s2 + 1. Let w be o(-7). Solve -r - 4 = w for r.

-5

Let j(m) = m**2 - 2*m - 1. Let b be j(4). Let i(z) = 5*z - 11. Let p(q) = -9*q + 21. Let a(g) = -7*i(g) - 4*p(g). Let f be a(b). Solve 0 = -3*u - f*u - 9 for u.

-3

Suppose -4 = 2*q - 4*q. Solve -4*v = -10 + q for v.

2

Let x be ¹⁵⁰⁄₇₀ - ²⁄₁₄. Suppose -s + 0 = -x. Suppose 5*k - 41 - 19 = 0. Solve k = -d - s*d for d.

-4

Suppose -k + 5*l = -30, -l - 35 = -2*k + 4*l. Solve -24 = k*r + 1 for r.

-5

Suppose 0 = s - 4*b - 10, 2*b + 12 = 5*s + b. Let n = -7 + 4. Let k = n + 3. Solve s*x + 4 - 12 = k for x.

4