Let i = -50 + 50. Solve i = 4*d - 12 + 4 for d.

2

Let p(v) = -2*v**2 - 4*v - 3. Let s be p(-2). Let a be 3 + s + 4 + -1. Solve 4*y + 13 = -a for y.

-4

Let f be (-6)/10 - 8/(-5). Let w be 2 + 3 + -3 + f. Solve w*u = -9 + 18 for u.

3

Suppose -5*v = 0, -2*u - 12 = -u + 4v. Let s be 3(u/(-9))/2. Solve s*t + 3*t = -15 for t.

-3

Let z® = -r**2 - 6*r + 4. Suppose 4*a = -3*h + 1 - 21, h + 16 = a. Let p = h + 7. Let y be z(p). Solve l = -2*l + y for l.

3

Suppose -5*b - 5 = 0, 2*k - 7*k - 4*b = -11. Let f(j) = 6*j**2 - 2*j + 1. Let t be f(1). Solve -k*a + 8*a + t = 0 for a.

-1

Let j(w) = -2*w3 - 6*w - 3 + w3 + 6 + w2 - 8*w2. Let p be j(-6). Suppose -4*l - 2*q = -5*q + 4, p*l - 14 = -2*q. Solve -4 = -4*c + l*c for c.

2

Let c be 189⁄45 + 2/(-10). Suppose -3*i = -v - 11, 5*i - 10 = -c*v + 14. Let h = i + -2. Solve -h*r - 3*r = 5 for r.

-1

Let l = -69 - -76. Solve 1 + l = 4*p for p.

2

Let a = 1 - 1. Suppose 4*x - 8*x + 20 = a. Suppose 1 - 9 = -2*u. Solve u*g = x + 3 for g.

2