Let s = -5 + 8. Let x be ((-31)/310)/((-5)/650). Solve 4*q - 27 = -5*k + 5, -x = -k - s*q for k.

4

Suppose 80*g = 43*g + 46*g - 9. Solve -p = -2*d + 5, 2*d - 9*p = -4*p + g for d.

3

Suppose 2*m - 4*r = -14, r + 2*r = 3*m + 18. Let j = m + 9. Suppose 0 = 4*n + 5*k + 13, 2*k + 4 = j*n - 6*n. Solve -n*q = 9, 3*s + 2*q - 2 = 7 for s.

5

Suppose 5*n + 3*z - 50 = 2*z, 0 = n - z - 10. Let f(h) = 2*h**2 - 20*h + 5. Let s be f(n). Solve 4*v = s*w - 25, 4*w - 2*v - 3*v = 29 for w.

1

Let p(z) = -5*z + 5. Let m(g) = -g + 1. Let o(x) = -2*m(x) + p(x). Let k be o(1). Solve d - 3*j - 1 + 16 = k, -2*j + 10 = 4*d for d.

0

Let k be (-5 - -109)/(-8) + 13. Solve k = 5*x - 0*x + j + 13, x + 14 = -4*j for x.

-2

Let u = -8 + 19. Let d = -151 - -154. Suppose 4*f + d*q - 13 = 2*f, 0 = 4*f - 2*q - 2. Solve -4*k = -t - 17, t + f*k + k - u = 0 for t.

-1

Let c = -1976 - -1978. Solve 0*z - 2*a = 5*z - 15, -5*a = -c*z + 6 for z.

3

Let h(m) = -m**2 - 15*m - 2. Let x be h(-14). Suppose 4*u = s + 11, -3*u + 0*s + x = 3*s. Solve u*n = -15, 0*n = r - 3*n - 20 for r.

5

Suppose 278*i + 5 = 279*i. Let j(s) = s + 10. Let u be j(-10). Let a = u + 4. Solve 3*h + i = o - h, 0 = a*h + 4 for o.

1