Let h = -190 + 192. Solve -5*t + h*t - 12 = 0 for t.

-4

Let x(k) = -k3 + 2*k2 + 5*k. Let h(l) = -l**2 + 1. Let m(j) = 2*h(j) - x(j). Let v be m(5). Solve -v*g + g = 0 for g.

0

Let k(n) = -n**2 - 7*n + 2. Let q be k(-7). Suppose 5*u - 65 = -5*c, u - 4*u + 3*c = -33. Suppose -r + 4 = 0, u = q*a + r + r. Solve 0 = m + 2 + a for m.

-4

Suppose 5*a + 0*a = 225. Suppose -r = 2*r - a. Suppose 5*f - r = 25. Solve 2*j + f = -2 for j.

-5

Let h = -42 - -47. Solve -h*j = 1 + 4 for j.

-1

Let t = 1 - -7. Suppose -4*r + 3*r = -6. Let c = t - r. Solve -i = -c*i - 2 for i.

-2

Let i® = r - 7. Let s be i(9). Let l be 6/(s*(-9)/(-12)). Solve l*j - j = -3 for j.

-1

Let r = -10 + 18. Let j(f) = -2*f2 - 5*f + 5. Let y© = 5*c2 + 9*c - 11. Let n(k) = 7*j(k) + 3*y(k). Let p be n®. Solve v + 5 = p*v for v.

5

Let g be (6 - 1)*(15 - 14). Solve -2*n - g = -7*n for n.

1

Let f(y) be the first derivative of -5*y**2⁄2 - y + 1. Let m be f(-2). Suppose -7*k = -5*k - 20. Solve 4*q - m*q - k = 0 for q.

-2