Let w = -23 + 26. Solve r + w*r = 0 for r.

0

Suppose -4*g + 124 = d, 0 = 5*g + 5*d - 2*d - 162. Suppose -a = -3*a + g. Solve s = -2*s - a for s.

-5

Suppose 0*j = 4*j - 80. Suppose -5*m - 3 = -f + 2, 2*m - 4*f = -j. Solve -b = -m*b for b.

0

Suppose 5*t - 9 - 1 = 0. Solve 0 = t*w - 4*w for w.

0

Let l(b) = b**2 - 8*b + 5. Let f be l(8). Solve 5 - 10 = -f*x for x.

1

Let s(q) = q3 - 5*q2 + 4. Let j be s(5). Solve j*h = 11 - 3 for h.

2

Suppose k - 4*k - 207 = 4*l, -5 = 5*k. Let y = l - -17. Let q = 54 + y. Solve -2*z - 3*z = q for z.

-4

Let n(o) = -o**2 - 2*o + 6. Suppose 0 = 5*c - 3*c. Let f be n©. Solve -3*m = -0 + f for m.

-2

Suppose 0 = 5*z - 2*z + 15, -20 = w + 4*z. Suppose -5 = -4*j + 4*o + 3, -o + 4 = w. Solve -15 = f - j*f for f.

3

Let a(i) be the third derivative of i412 - 7*i36 - 7*i**2. Let u be a(4). Solve -5*j = u - 16 for j.

3