Suppose 15*i = 10*i - 5*i + 90. Solve -2*n - 4*z + i*z = 4, 8 = -4*n + 2*z for n.

-2

Suppose -206 = -2*u + 372. Suppose -2*o + u = 281. Solve o*y = -2*g - 2, 2*y + 2*g + 0 = 2 for y.

-2

Let u® = r3 - 6*r + 4. Let k be u(-3). Let t(g) = g2 + 12*g - 1. Let f be t(k). Let y = f + 39. Solve -y*q = -5*l + 9, -q + l - 3 = -0*l for q.

-3

Let d(m) = -m**2 - 3*m + 1. Let s be d(-4). Let b be 6*s/(-6) - -10. Suppose 5*t + b = v, -v + 2*t = -0*v - 7. Solve -3*n = -2*o + n + 4, o - 3*n = v for o.

0

Let i be 2 - (-14)/(-8) - (-252)/(-48). Let u be 12/(-20) + -2 + (-28)/i. Solve 5*v + u*s = -s, -2*s = -4*v + 26 for v.

4

Suppose 3*j + k = -5, 0*j - 4*j + 20 = -4*k. Suppose -25*l + 2*w - 5 = -24*l, 0 = 2*w - 10. Let h = 16 + -16. Solve n - 3*z + 4 = 0, h*z - l*z = j for n.

-4

Suppose -40*b + 409 = 289. Solve -b*n = -5*m + 16 - 4, 0 = -n + 1 for m.

3

Suppose 15*l + 1391 + 1084 = 0. Let y = 169 + l. Let p(a) = a + 1. Let t be p(1). Solve 6*x - 3 = -t*r + x, y*x = -4 for r.

4

Let o be 42⁄3 - ((-2 - 1) + 1). Suppose v = -1, 4*h + o = v - 31. Let c = 17 + h. Solve 3*k - 3*b + 29 = -2*k, k - c*b + 19 = 0 for k.

-4

Let x = -30 + 33. Let t® = -r3 + 4*r2 - 5. Let h be t(x). Solve -2*w = u + 1 - 5, u + 14 = h*w for u.

-2