Suppose -2*b + 4*b = -2*r + 8, -4*r - 3*b = -21. Solve 5 = 4*a - r*a for a.

Let q(j) = j3 + 5*j2 - j. Let f be q(-5). Let l be 303/(-12) + (-2)/(-8). Let n be 8/(-16) + l/(-2). Solve -f*p - n = -2*p for p.

-4

Suppose 4*l - 3*m = -6*m + 75, 15 = 3*m. Let v be (-4)/10 - (-66)/l. Suppose a + v*a = 0. Solve a = -3*z - z + 20 for z.

5

Suppose g = 4*v - 84, 2 = -v + 3*g + 12. Suppose -2*p = 3*p + 3*b - v, 2*b = 8. Suppose p*s + 0*s - 12 = 0. Solve -2*r - s = 4 for r.

-5

Let k = -2 - 3. Let w(d) = d3 + 6*d2 + 4d - 6. Let y be w(k). Let x be 1(0 + 1 + y). Solve -3*b + 12 + 0 = x for b.

4

Let l(i) = i**2 - 3*i. Let h be l(4). Solve -14 = -5*o - h for o.

2

Let t© = c3 + 6*c2 + 2. Let r be t(-6). Suppose -r = z, 0 = 2*o - 2*z - 8 + 2. Solve -2*l - 11 = -o for l.

-5

Let n be (³⁄₆*3)/(¹⁄₂). Solve -4 = -n*w + 2 for w.

2

Let b = -73 - -75. Solve -3*r - b = -4*r for r.

2

Suppose -7*t - 15 = -2*t. Let w = 1 - t. Solve 0*g - 4*g + w = 0 for g.

1

Suppose 5*j - 2*j + 45 = 4*k, 3*k - 3*j = 30. Let t = 8 - 6. Suppose -3*p + t*p = 3*l - 11, 3*p - 4*l = -6. Solve p*g - 5*g + k = 0 for g.

5