Let j be 3 + (-7)/2 + 2/4. Suppose 3*f - 5*q + 6 = j, -2*f + 6*q + 9 = 7*q. Solve 5*x - 20 = -5*h, -2*h + 7*h = -f*x + 20 for h.

Let a = 211 + -155. Suppose 49*q + 35 = a*q. Solve 0 = -q*j - 3*t - 12, -t = -2*j - 4*t - 12 for j.

0

Suppose 689*b = 694*b - 45. Suppose b*x = 14*x. Suppose -20 = -3*z + 10. Solve z = -j - 2*p - x, -j = p + 5 for j.

0

Let b = -10 - -14. Let u = -318 + 335. Solve u = s - 2*s + 3*m, -2*m - 12 = b*s for s.

-5

Let l = -564 - -569. Solve -3*q + l*v - 5 = 0, 4*q - 5*q = 2*v - 2 for q.

0

Suppose 248 = -2*q - 2*u, 7*u = 3*u. Let n = q + 138. Solve -o - 3*o + n = 2*k, 5 = -2*o + 3*k for o.

2

Let u be ⁸⁄₂₀ + 3*(-264)/(-45). Let p be (1/(-3))/((-2)/u). Solve -4*k + p = -5*t + 11, t - 10 = -2*k for k.

3

Let d = 2743 - 2710. Solve -2 = 2*r + 5*x, 2*x + d - 13 = 4*r for r.

4

Suppose -160*v + 163*v = -5*o + 58, 3*v = -12. Solve 4*a + o = -m + 3*m, -21 = m + 5*a for m.

-1

Let l be (⁴⁄₅)/(¹⁸⁸⁄₆₀ - 3). Suppose 2*v - 8 = -l*v. Solve -4*s = 4*r - 13 - 3, -2*s + 5*r = -v for s.

3

Let l(a) = -13*a - 81. Suppose 0 = 4*f + 3*p - 7*p + 28, 3*p = 5*f + 35. Let o be l(f). Solve -h + 6 = n, 3*h + o = 4*h + 2*n for h.

2