Let d = 42 - 42. Solve -4 = 2*l - d*l for l.

-2

Suppose -r - 5*p = -p - 17, 2*r - 3*p = -21. Let c be 1/((-1 + -2)/r). Suppose -2*h - c = -29. Solve 0 = 5*z - h + 4 for z.

2

Let o be 0 - ((-12)/(-4) + -73). Let w be ((-20)/o)/(4/(-14)). Solve -d - 3 = w for d.

-4

Suppose -2 = 5*l - 6*l. Solve l*b + 8 = -0 for b.

-4

Suppose -3*s = 8 - 14. Solve -s = b + 2 for b.

-4

Suppose -b - 2 = b - 2*k, -3*b + 5 = 5*k. Let i(a) = -a3 + 3*a2 + 4*a + 2. Let u be i(4). Solve g + u*g = b for g.

0

Let u be (-72)/(-18) + (0 - 0). Solve u*r - 7 = 9 for r.

4

Let k® be the third derivative of r412 - 2*r33 + r**2. Let p be k(3). Suppose p*z + 2*f - 4*f = 28, -16 = -z - f. Solve 4*a - a + z = 0 for a.

-5

Suppose 4*s - l - 33 = -s, -4*s + 36 = -4*l. Solve 0 = w - s*w + 25 for w.

5

Suppose 2*a = 5*a - 9. Let h be 6/(156 + -1). Suppose h = -2*x + 8. Solve -5*q - x = a for q.

-1