Suppose -4*x - 3*f + 80 = 0, 2*f + f - 20 = -x. Solve 0*b - x = -4*b for b.

Suppose 0 = r - 2*w - 14, w + 15 = 5*r + 2*w. Suppose 1 + 9 = m + 3*c, 2*c = 2*m + r. Solve 5*a + m = -4 for a.

-1

Suppose 2*r + n = 15, -5*r - 4*n - 5 = -50. Suppose 2*m = r*b - 19, -2 = 3*m - 2*m - b. Solve -m*g + 1 = 10 for g.

-3

Let r(u) = -u2 - u + 1. Let a be r(1). Let k be (2 + -5)/(-2 - a). Let s(y) = 3*y2 + 4*y + 3. Let q be s(-2). Solve 2*t - q = -k for t.

2

Let x(v) = -v - 1. Let j be x(-4). Let r(u) = 1 + j + 0*u - 2*u. Let c be r(-4). Solve c = -0*h + 3*h for h.

4

Let q be -3 + 8 + (-25)/5. Solve q*v + 9 = 3*v for v.

3

Let p = 1 + 2. Suppose -2*j + 19 = -p*s, 10 = 4*j + s - 21. Solve 0 = 2*n + j - 0 for n.

-4

Suppose -4*r + 2 = -3*r. Solve z = r*z + 2 for z.

-2

Let j(n) = -n3 + 6*n2 + 7n + 2. Let q be j(7). Let y be (³⁵⁄₂ + 1)-2. Let u be y/(-7) + q/(-7). Solve -h + u*h = 4 for h.

1

Let w(o) = -1 + 6*o - 3*o - 2*o. Let b be w(-1). Let u be -1*2/(b/5). Solve 6*v - u = v for v.

1

Let o(b) = b3 - 5*b2 + 4*b - 2. Let y be o(4). Let m be 1/(y/14 + 0). Let z = 7 + m. Solve z = -0*v + v - 3 for v.

3