Let v be 4/6 - (-4)/(-6). Suppose -o + 6*o = k - 55, 4*o + 4*k + 20 = 0. Let a be (-75)/o*(-8)/(-3). Solve v = 5*r + a for r.

Let k = 20 + -16. Let s(a) = 3*a - 1. Let i(p) = 3*p - 1. Let m(v) = -4*i(v) + 5*s(v). Let n be m(1). Solve -l - n = -k for l.

2

Let p = 8 - 3. Let j = 15 + -5. Suppose -f - f = -j. Solve -p*y = f + 15 for y.

-4

Suppose -9 = 3*y, 0 = -h + 6*y - y + 17. Let a be (h/1)/((-4)/(-22)). Suppose s - 43 = -4*d, -d - d + 3*s + a = 0. Solve 0 = -2*j + d - 0 for j.

5

Let s be 3*(0/(-3) + -1). Let r = s + 5. Suppose -5*v + w = r*w - 4, -2 = 2*w. Solve -2 = -p + v for p.

3

Let n be (-1)/(⁵⁄₂ + 3/(-1)). Solve 0*f = -2*f + n for f.

1

Let j(o) be the first derivative of o⁴⁄₄ + o²⁄₂ + o - 4. Let n be j(0). Solve -s + n = -1 for s.

2

Suppose -18 = 11*r - 14*r. Solve -r*v - 20 = -v for v.

-4

Let u be ((-2*7)/(-1))/2. Let w = u - 3. Solve -m - m = w for m.

-2

Suppose 2*v + 2*i - 8 = 0, -4*v - 5*i + 20 = -v. Suppose z - 8 = -2*h - v, -36 = -4*h + 3*z. Suppose h = 5*r - 3*r. Solve -2*b - 5 = r for b.

-4

Suppose -3*r + 6 = -15. Let s = -2 + r. Suppose -s*c = -2*c - 12. Solve -c + 0 = n for n.

-4