Let c(a) = -a + 4*a - 5*a + 2*a**2. Let f be c(2). Suppose -f*v = -v - 21. Solve -2*y - v - 3 = 0 for y.

-5

Suppose 0 = 3*m - 0*m - k - 27, 4*m - 20 = -4*k. Suppose 2*q + 5*r = -1 + m, 2*r = 2*q. Let g = q + 1. Solve -g*n - n = -9 for n.

3

Suppose -4*l + 23 = 2*o - 3, 3*l - 18 = -o. Suppose h + 201 = 4*h + 3*j, -321 = -l*h + 2*j. Suppose -20 = 4*t, 5*s - h = -0*s + t. Solve s = 4*d + 4 for d.

2

Suppose o - 3 = -4*p + 4, -5 = -4*p - 3*o. Let n(m) = -m**2 + 7*m - 1. Let f be n(6). Solve -g - f = -p*g for g.

5

Let n be (1 + -1)/(1 + 1). Suppose -4*h + 0 + 12 = n. Solve -2*t = -1 - h for t.

2

Let c = 5 - 0. Suppose -5 = 2*f - 5*r, -2*f + r + c = -2. Solve -f*z + 17 = -8 for z.

5

Let o be (16 - 16)*(-1)/(-2). Solve o = 5*j + 20 - 0 for j.

-4

Let w be ((-2 - -2)/2)/1. Solve -3*g + 6*g = w for g.

0

Let g(o) be the first derivative of o**2⁄2 + 3*o - 1. Let q be 4/(-28) + 150⁄21. Let i be g(q). Solve -i = u - 3*u for u.

5

Suppose 11 = -4*p - 49. Let f = p - -15. Solve 0 = -2*d - f*d for d.

0