Let t(f) = 4*f - 27. Let n be t(8). Solve -r - 9 = -n for r.

-4

Let o be 18⁄4*(4⁄6 - 0). Solve m - o*m - 4 = 0 for m.

-2

Let g(b) = -b3 + 4*b2 - 4*b + 2. Let n be g(2). Let j = -26 - -41. Suppose 3*h = y + 4*y - j, -4*y = 2*h + 10. Solve y = -5*a + n - 12 for a.

-2

Suppose -z - 2*z = -9. Suppose -3*q + 2*q = -3*w, 5*q = -z*w. Solve q*l + 8 = 2*l for l.

4

Let l = 33 - 31. Let p be (-1)/(-2) + 7⁄2. Solve -p*m = -l*m for m.

0

Let j = 42 - 39. Solve 2*t = -j*t - 25 for t.

-5

Let k = 37 + -34. Solve -k*a + 4*a + 5 = 0 for a.

-5

Suppose -2*z + 5*i - 21 = 0, -2 = -4*z + 2*i - 4. Solve -q - q = z for q.

-1

Let i© = 13*c3 - c2 - c + 1. Let k be i(1). Let l be 7 + 4/(k/(-9)). Solve -7*z = -l*z + 3 for z.

-1

Let w(u) be the second derivative of u5⁄20 - 2*u4⁄3 + 4*u3⁄3 - 7*u2⁄2 - u. Let n be w(7). Suppose 0 = -r - n*r + 3. Solve -r*v + 3 = -6 for v.

3