Let z = -15 + 15. Solve z = -i + 4*i + 15 for i.

-5

Let t = 87 - 30. Suppose -z = 5*b - 2*z - t, 5*b = 5*z + 65. Suppose -2*h = 3 - b. Solve -5 + h = -g for g.

1

Let o = 24 - 20. Solve 0 = 2*v - 3*v - o for v.

-4

Let n(h) = h3 - 22*h2 + 19*h + 46. Let m be n(21). Solve 1 - m = 3*o for o.

-1

Let v(a) be the first derivative of a4⁄4 + 2*a3 - 3*a**2 + 8*a + 6. Let u be v(-7). Solve -9 - u = 2*t for t.

-5

Suppose -25*v = -143 + 43. Solve 0 = d + 1 + v for d.

-5

Let y(h) = -h3 + 5*h2 + 5*h + 7. Let j be y(6). Solve -3*o - j = -2*o for o.

-1

Let k be -3*7/(-3) + -1. Suppose -k*y = -y. Solve y*f = -2*f + 4 for f.

2

Let a be -67 + 2 - (3 - 0). Let k be (-1)/4 - a/16. Solve 5 = -y - k*y for y.

-1

Suppose 10 = -2*w + 4*w. Suppose p = g - 2, -w*p - 5 = -0*g - 4*g. Suppose 0*j + g*j - 20 = 0. Solve 10 = j*a + a for a.

2