Let r be (9/(-15))/((80/(-50))/8). Solve r*h - 13 = 4*m, -3*m = 3*h - 5*m - 11 for h.

3

Suppose 25 = 4*s + j, 4*s + 40 = j + 55. Solve -s*c = -2*q - 0*c - 35, 2*q = -3*c + 5 for q.

-5

Suppose 1360 = 226*k - 192*k. Solve -3*a + 0*a + 5*b - k = 0, a + b = 0 for a.

-5

Suppose -2*s = 8, 3*r + 2*s = -2*r + 627. Let k = -124 + r. Solve 3*l = 2*d + d - 18, 2 = -k*d - l for d.

1

Let o = 269 - 219. Suppose -2*i + o = 46. Solve -4*h - 17 = 3*m - 3, i*m - 4*h - 4 = 0 for m.

-2

Let q be 1/((-234)/48 - -5). Solve -a - z = a + q, 4*a = z - 16 for a.

-4

Suppose m - 29 + 23 = 0. Let i = 241 + -234. Solve 2*l + m*o - o = -25, l - 4*o - i = 0 for l.

-5

Let x be -12*(-1 + 3⁄12). Let u = 14 + -7. Suppose 0 = x*z - u*z - 2. Solve -3*v + 13 = -2*o, 2*v = -4*o - 1 - z for o.

-2

Suppose 0 = -l - t + 5, 4*t + 3 + 25 = 4*l. Suppose 19 = -3*n + l*n + 2*x, n - 11 = -3*x. Solve 5*o - 5 = -n*h, 5*h + 19 = -3*o + 4*o for h.

-3

Let n = 46 - 48. Let h be (-4 + n + 1)*-2. Suppose -4 = -3*p - 2*t, -2*p + h + 6 = -2*t. Solve -3*j - 4 = 6*d - 4*d, -d = -p*j - 20 for d.

4