Let s be 48/20 - 6/15. Solve -5*m = -s*m for m.

Let a be -4 + (7 - (4 + -1)). Solve a = i + 2*i for i.

0

Let j be (-4)/38 + ⁷⁸⁄₁₉. Suppose j*a - a = -5*b + 11, 2*a + 10 = b. Solve 3*f - b = 2 for f.

2

Let o(f) = -f - 5. Let c be o(-5). Let l(t) = t**3 + 3. Let j be l©. Solve 2*z - j*z = -2 for z.

2

Let t(z) be the third derivative of z⁶⁄₁₂₀ - z⁵⁄₅ - z⁴⁄₂₄ + 17*z³⁄₆ - 4*z**2. Let p be t(12). Solve -5 = -p*r - 0 for r.

1

Let i = 13 - 8. Suppose -b = 2 - i. Solve -a - 12 = b*a for a.

-3

Suppose -x - c + 11 = -0*x, 2*x = -c + 18. Let t = 9 - x. Solve -t*r - 9 = r for r.

-3

Suppose -5*t + 2 = 2*i - t, 2*i + 2*t - 4 = 0. Let v = 3 + -3. Suppose 4*r - 5*w + 33 = 6*r, i*r - 3*w + 3 = v. Solve 3 = r*a - 17 for a.

5

Suppose -3*a = -4*l - 2, -6*l + 2*l = a + 10. Let g be (1/l)/((-3)/12). Suppose -5*w = -19 + 9. Solve -g*i - w = -3*i for i.

2

Let v(k) = -2*k3 + k2 + 3*k - 2. Let a = -5 - -7. Let b be v(a). Let o = 11 + b. Solve -o*x = -6 + 21 for x.

-5

Suppose 0 = -2*q - 8 - 2, 2*k + 3 = -3*q. Let v(u) = -u - 2. Let r be v(-5). Let g = 3 + 0. Solve -k*b + g = -r*b for b.

1