Let y = 2 - -2. Let r(u) = -2 + 4*u - 3*u - 3*u. Let x be r(-1). Solve y*w + 11 + 9 = x for w.

-5

Let k = 7 - 3. Suppose 4 = k*w - 0*w. Solve -o - 3 = -w for o.

-2

Let a© = -c2 - 7*c. Let n be a(-5). Let q(y) be the first derivative of y2⁄2 - 4*y - 2. Let d be q(n). Solve o = d*o + 25 for o.

-5

Let o(w) = -w + 18. Let s be o(14). Solve 0 = -v + 3*v + s for v.

-2

Let m be 1/(-4)*-2*12. Let l be ((-24)/(-20))/((-4)/(-10)). Solve -l*n + m = -6 for n.

4

Let i(b) = 2*b + 5. Let c be i(-1). Solve c*f + 22 = 7 for f.

-5

Suppose 3*n - 31 - 170 = 0. Suppose 0 = 4*i + s - 61, i = -3*i + s + n. Solve 0 = 5*p - 1 + i for p.

-3

Suppose 7*k + 15 = 2*k, 2*k + 18 = 4*t. Solve -t*u = -8*u + 25 for u.

5

Let k = 22 + -10. Let c = k - 12. Solve -5*a + 3*a - 6 = c for a.

-3

Suppose 5*k - 105 = -5*q, 2*k + 2*k - 83 = -3*q. Solve 3*l - k = -2*l for l.

4