Suppose -5*i = 5*r - 2*r - 11, 0 = -2*i - r + 5. Let w = 6 - i. Solve w = 2*z - 4 for z.

Suppose -5*j + 4*h = -2, j + 13 = -4*j - h. Let c be 3/(j - 2/(-4)). Let m be 27 - c/(-2) - -1. Solve m - 7 = 5*s for s.

4

Suppose 4*x - 4 = 12. Let y = -4 + x. Solve y*l + 6 = 2*l for l.

3

Let u(s) = 13s + 2. Let m be u(2). Let f be m/16(-16)/(-2). Solve -3*q - f - 1 = 0 for q.

-5

Suppose -41 = -3*k + 25. Let h be -4*1/(-2) + -2. Solve h = 5*d - k - 3 for d.

5

Let u(h) be the third derivative of -h⁶⁄₁₂₀ - h⁵⁄₃₀ + h⁴⁄₂₄ - h³⁄₂ + h**2. Let g be -6 - 6/(4/(-2)). Let t be u(g). Solve 10 = -t*l + l for l.

-5

Let h be 7 - (3*-3)/(-3). Suppose x + h*b + 5 = 0, x + b - 2 = -1. Solve -9 = -4*w + x for w.

3

Let x = 126 - 116. Solve 5*w + x + 5 = 0 for w.

-3

Let n be (-6)/(-9)*(-18)/(-4). Solve 0 = n*x - 0*x - 15 for x.

5

Suppose -4*o = 6 + 22. Let t(m) = -m - 6. Let x be t(o). Suppose -h = -x - 2. Solve h*z + 8 = -z for z.

-2

Let n(z) = -3*z2 + 5*z2 + z - z**2 - 2*z. Let t be n(-2). Let m = t - 5. Solve -5*a - 26 + m = 0 for a.

-5