Let w be 105/25 + (-2)/10. Let s = 4 - w. Solve s = j - 2*j + 2 for j.

Let d(a) = 3*a + 1. Let h be d(1). Suppose h*s - 3*u - 221 = 3*s, 0 = -2*s + 3*u + 433. Let g be (-3)/5 + s/20. Solve 5*z = 15 + g for z.

5

Let w(a) = 2*a**2 - 29*a - 12. Let v be w(15). Solve -5 + 2 = v*c for c.

-1

Let f® be the first derivative of 2*r³⁄₃ - 13*r²⁄₂ - 7*r + 3. Let u be f(7). Solve -4*a - a - 15 = u for a.

-3

Suppose -o - 6 = -3*o. Suppose 4*c + o*a = -9, -6*a = 4*c - 4*a + 6. Solve c = -0*y + 2*y + 10 for y.

-5

Let g = -9 + 21. Suppose z = -2*v + g, v + 3 = -0*z + z. Let i be 4/z - (-4)/(-6). Solve f = -1 - i for f.

-1

Let o(b) = -b3 - 7*b2 - 6*b. Let x be o(-6). Suppose 0 = -x*d - d. Solve a + 3 + 2 = d for a.

-5

Let k(j) = j3 - 5*j2 + 2j - 3. Let q be k(6). Let s be (-36)/q(-10)/4. Solve -s*m = m + 3 for m.

-1

Suppose 11 - 2 = 3*n. Suppose -4 = 2*s - n*a - 43, 0 = -3*s + 5*a + 60. Let j be 2 - (-1 + 0)*2. Solve -s = u + j*u for u.

-3

Suppose 4*m - 5*q = -25, -m + q - 5 = -0*q. Suppose 0 = -m*g - 3*g + 33. Let o(t) = -t - 6. Let i be o(-7). Solve -4*u - i = g for u.

-3

Suppose -3*s + 7*s + 52 = 0. Let f = s - -18. Solve f*x - 2 - 3 = 0 for x.

1