Suppose -t = t. Let r be (-4)/(12/(-9) - t). Solve 4*s = r*s - 3 for s.

-3

Suppose -17 - 22 = -3*o. Let x = 15 - o. Solve x*d = -12 + 2 for d.

-5

Suppose 0 = 3*c + 2*c, -5*f + 65 = -4*c. Suppose 0 = -3*b + 8 + 7, -2*b = k - f. Solve k*a + 11 = -4 for a.

-5

Let r be 39/(-2)*8/(-6). Let v = -21 + r. Solve -y = -v*y for y.

0

Let j(y) = 2*y + 3*y2 + 7*y3 - 8*y3 - 3*y + 11 + 5*y2. Let t be j(8). Suppose -2*p = -0*p - 2. Solve t*l = p - 7 for l.

-2

Let t(i) be the third derivative of i6⁄120 - i5⁄12 + i3⁄6 + 2*i2. Let u be t(5). Suppose -2*w + 6 + u = -b, 8 = w + b. Solve -6*a + w = -a for a.

1

Let d be (-60)/(-18)*(-24)/(-10). Solve 2*n + 0 - d = 0 for n.

4

Let b(f) be the first derivative of f3⁄3 + 2*f2 - f - 2. Let z(s) = s3 + 3*s2 - 2*s + 3. Let j be z(-4). Let h be b(j). Solve 0 = -c + 2*c - h for c.

4

Let s = 16 - 14. Suppose 4*z - s - 6 = 0. Solve z*y + 2*y + 12 = 0 for y.

-3

Let p(d) = -d - 3. Let l be p(-5). Suppose a - u - 7 = 0, l*a - 4*u + 15 = 39. Suppose t + a = k + 2*t, -5*t = 0. Solve k*j - j - 4 = 0 for j.

4