Let k be 156/27 - 10/(-45). Let u be (-1 + 2)/(2/k). Solve x + u*x = 0 for x.

Suppose 5*g - 25 = -5. Let v = g - 0. Let m be ((-1)/(-1) - 3) + v. Solve m = 3*a - 4 for a.

2

Suppose -6 - 14 = 5*a, -2*m = -5*a - 20. Solve m = 5*g + 22 - 2 for g.

-4

Let r = -81 - -81. Solve r = 2*d + d for d.

0

Let i(d) = -d + 3. Let f be i(2). Suppose -3*r - 21 = -2*x - 3, 3*x - 5 = -r. Solve -2*v = f + x for v.

-2

Let c be ¹⁰⁄₂₅ + ¹⁵⁹⁄₁₅. Let h = 15 - c. Solve -2*t + 6 = -h*t for t.

-3

Suppose -4 = -u - 0. Suppose 160 = 3*a + a. Let q be (-6)/(-33) - a/(-22). Solve q + 14 = -u*z for z.

-4

Let u(m) = m**2 + 12*m + 5. Let w be u(-12). Let o(i) = -i. Let c be o(-3). Solve 0 = w*q + 2 + c for q.

-1

Suppose 2*o + 10 + 2 = 4*g, 5*g - 4*o = 21. Solve -g - 3 = 2*t for t.

-2

Suppose -3*s + 8 = -s. Let j be (-931)/(-63) + ²⁄₉. Suppose 3*g + 5*f - 20 = f, -3*f + j = 0. Solve m + s*m - 25 = g for m.

5

Let z be 6/(1 + -3) - -4. Solve 0 = 2*n - z + 9 for n.

-4