Let u = -163 - -211. Let h be (52 - u)*(-1 + (-18)/(-8)). Solve 4*r = -r + 4*z + 3, r + 2*z = -h for r.

Suppose 0 = 2*j + 5*t + 401, 2*j + 2*t = -326 - 60. Let g = j + 190. Solve 3*b + 25 = -g*k, 3*k + 5*b + 59 = 19 for k.

-5

Suppose -33*o + 31*o - u = -11, 4*o = 5*u + 15. Solve -o*t = 5*f + 21 - 11, -5*t - 28 = -4*f for t.

-4

Let q = 4015 - 4006. Solve -10*d + 9*d - i + q = 0, 0 = -2*d + 2*i + 2 for d.

5

Let l = -138 + 144. Let x® = r**2 - 7*r + 9. Let b be x(l). Solve -4*s - 6 = -5*k, s + 1 = 4*k - b*k for s.

1

Suppose 313*d + 8 = 2*h + 315*d, -h - 3*d = -8. Solve -h*w = -5*j + 23, 7*j - w - 7 = 6*j for j.

3

Let v be (-4)/10*(²¹⁰⁰⁄₉₀)/((-2)/3). Solve 0 = -4*s + 2*k + v, 16*k - 12*k = 5*s - 13 for s.

5

Let q(x) be the second derivative of -x³⁄₂ - 13*x2 + 2*x + 16. Let h be q(-10). Solve -3*p = -7*p - 4*j, 2*p = 2*j - h for p.

-1

Let y = -1 + 3. Let z(k) = 129*k + 21. Let s be z(0). Solve -3 = -t - w, -y*t - s = -t - 5*w for t.

-1

Let j = -162 + 204. Suppose 34 = -2*r + j. Solve -2*b = -2*u + 2, -2*u - r*b - 2 = -4 for u.

1

Let m(l) = 3*l**2 - 3*l + 3. Let g be m(0). Suppose 3*s = 2*w + 50, g*s = -0*s + 3*w + 54. Solve 3*i = -c - 8, -7*i - 3*c = -3*i + s for i.

-2