Let w be 6/(-21) + (-6)/(-21). Solve w*c - 4*c = 12 for c.

Suppose -9 = -2*m + 1. Suppose 5*d + 9 = -5*s - 6, 0 = 2*d - 5*s - 29. Solve -m = l - d for l.

-3

Let l = 19 + -19. Solve -3*q + l*q + 12 = 0 for q.

4

Let w be -2 + (³²⁄₄₈)/((-2)/(-21)). Solve 0 = -2*g + w*g - 15 for g.

5

Suppose -3*m + 26 = -2*n + 2*m, -4*n - 24 = -3*m. Let i = 3 - n. Solve i = f + 2*f for f.

2

Suppose 0 = s + 3*s + l, 3*s = 5*l - 23. Let z(t) = -t3 + t2 - 1. Let x be z(s). Let b be (-2)/(x*4/(-10)). Solve b = -q + 4 for q.

-1

Let f = 21 + -13. Solve -f + 23 = 3*l for l.

5

Suppose -3*g = -6*h + 2*h + 36, h = -4*g - 10. Solve -p + 3*p = h for p.

3

Let k(q) = q + 4. Let m be k(-4). Let b(f) = 9*f + 2. Let t® = r3 - 5*r2 + 4*r + 2. Let j be t(4). Let n be b(j). Solve -5*i = -m*i + n for i.

-4

Let x be (-20)/(-6)*(0 + -3). Let a be 1/(-2) + (-35)/x. Let f(h) = -h3 - 2*h2 + 2*h - 1. Let r be f(-3). Solve 3*g = r*g - a for g.

-3

Suppose 6 = -4*u - 10, 3*f + 11 = -5*u. Let q(a) be the first derivative of 2*a**2 - a - 1. Let k be q(4). Solve 0 = -3*j + k - f for j.

4