Let j = -13 - -13. Solve j = 2*a - a for a.

Let j(y) = -y2 + 3. Let q(l) = l2 - l - 4. Let d(i) = -7*j(i) - 6*q(i). Let u be d(-6). Solve 8 = -5*f + u for f.

-1

Let p = 63 + -53. Solve -8*w + 3*w - p = 0 for w.

-2

Let i© be the second derivative of c⁵⁄₆₀ + c⁴⁄₃ + 3*c**²⁄₂ + c. Let o(f) be the first derivative of i(f). Let v be o(-8). Solve 6 + v = 3*a for a.

2

Let j(k) = -k**2 + 5*k - 4. Let c be j(3). Suppose c*u - 4 = -0. Let h(y) = y - 13. Let d be h(13). Solve m + u = -d*m for m.

-2

Let m be ³⁄₆ + (-34)/4. Let s(z) = z**2 + 12*z + 11. Let g be s(-12). Let d = g + m. Solve 4*o - d = -19 for o.

-4

Suppose t = 4*v + 18, 0*v - 3*v - 8 = 2*t. Let q be -1 + ²⁄₂ + -1. Let k = q + 3. Solve 0 = k*c - 0 - t for c.

1

Let a(v) = v3 + 6*v2 - 8*v - 5. Let d be a(-7). Let r = d + 6. Solve -5 = -3*o + r*o for o.

-1

Let p = 0 - 0. Let k(s) = s3 + s2 + 12. Let h be k(p). Suppose 4*v + 5*g + 4 = -1, -2*g = -4*v + 30. Solve -v*i - 2 = -h for i.

2

Let s be 3/(3*(-2)/(-12)). Solve -t + 4*t = -s for t.

-2

Suppose 2*r - 4 = -4*x, -5*r + 10 = -6*x + 3*x. Solve -r = 2*s + 8 for s.

-5