Suppose -5*d = 2 - 2. Solve d = 7*n - 2*n - 20 for n.

Let x® = -r**2 + 13*r + 30. Let z be x(15). Solve z = -0*a + 4*a + 20 for a.

-5

Let g be (-16)/(-72) + ⁵⁰⁄₁₈. Suppose -g*k + 7 = 2*o, 3*k = -4*o + 2*k + 9. Solve 2 + 0 = -o*h for h.

-1

Let l(v) be the second derivative of v⁴⁄₆ - 2*v³⁄₃ - 2*v. Let i be l(3). Suppose 0*s + i = 2*s. Solve 2 = -s*y - 1 for y.

-1

Suppose 3*w + 0w = 18. Let q be 3-4*(-1)/w. Solve -6 = f + q*f for f.

-2

Suppose 4*p - 5*y + 20 = 0, -4*p = -7*p - y - 34. Let a(s) = 2*s + 21. Let v be a(p). Solve -v - 1 = -2*d for d.

1

Suppose -25 + 5 = -5*g. Solve -3*r + g*r = 4 for r.

4

Let y be (-3)/2*6/(-3). Suppose 0 = 3*i - 6, -t + 108 = 2*t - y*i. Let m be ⁴⁄₁₀ + t/5. Solve m*b - 3*b = 15 for b.

3

Let r(n) = -n - 4. Let w(i) be the third derivative of -i⁴⁄₁₂ - 3*i³⁄₂ + 3*i**2. Let v(a) = 5*r(a) - 2*w(a). Let x be v(-6). Solve f + 15 = x*f for f.

5

Let s(a) be the first derivative of -a³⁄₃ + 7*a²⁄₂ - 2*a - 4. Let n be s(6). Solve n*y - 3 = y for y.

1

Let a = -66 - -76. Solve -5 = 3*r + a for r.

-5