Let r be 138/30 + (-4)/(-10). Let c(n) = 2*n - 7. Let y be c(r). Solve 4*k = y - 19 for k.

Let k(b) = b**2 + 10*b - 5. Let v be k(-6). Let p = 62 + v. Suppose -i = -2*o - 11, -3*i - 3*o + p = -2*o. Solve i - 1 = -5*a for a.

-2

Let k(v) = -v3 + 2*v2 + v + 1. Let n be k(2). Let q(o) = 2*o**2 - 4*o - 5. Let c be q(4). Let d be c + n*³⁄₃. Solve 4*r = d + 2 for r.

4

Let x be (-5 + 6)*(18 + -2 + 3). Solve -x = 3*a - 7 for a.

-4

Suppose 0 = -8*u + 4*u + 8. Solve -u*v = v for v.

0

Suppose 3*j = -j + 8. Suppose -j = -t - 1. Solve 0 = -w - t + 6 for w.

5

Suppose -2*a = -0*a - 4*u + 14, -a - u = -8. Suppose -4*d = a*o - 3*d, 0 = 5*o - d - 8. Solve -o = -k + 1 for k.

2

Let j be ((-12)/(-10))/(⁴⁄₁₀). Suppose 10 = -j*h + 5h. Let c be -5(0 + (-3)/h). Solve -2*a = -c*a - 3 for a.

-3

Let k be (1 - 0/1)*3. Let z = k - 1. Solve -2*h + 0*h - z = 0 for h.

-1

Let i be (⁵⁶⁄₃₅)/(⁴⁄₁₀). Solve 2*c = 6 + i for c.

5

Let g(f) = 3*f**2 + 7*f - 1. Let d be g(-3). Let a be -8 - (0/(-2) + -1). Let l = a - -12. Solve 0 = l*h - 20 - d for h.

5