Let f = -6 + 8. Let l(z) = -10*z + 72. Let p be l(7). Solve 0 = -f*c - p*c + 12 for c.

Let o(a) = -a**2 - 6*a + 1. Let f be o(-5). Let m(b) = -3*b - 3. Let y(l) = 4*l + 3. Let w(q) = 5*m(q) + 4*y(q). Let x be w(f). Solve -x*k - k - 8 = 0 for k.

-2

Suppose 2*v + 2*v = 0. Suppose 2*u - 3*u = -p + 2, -2*p + 4 = 2*u. Let o = u + v. Solve o = -y - 3 - 2 for y.

-5

Let u be ²⁄₅ - ⁶⁸⁄₂₀. Let g be (¹⁶⁄₂₈)/(u/(-21)). Solve 0 = -0*q + 2*q - g for q.

2

Suppose -5*m = 0, 4*a = 3*m - 111 - 141. Let v be 18/a + ³²⁄₁₄. Solve v*b = -16 + 6 for b.

-5

Suppose -2*c - 9 = -5*c. Let i be (-1 - 2)/6*0. Solve c*o + 3 = -i for o.

-1

Let j = 0 + 0. Suppose j = -0*k - 2*k + 10. Suppose -k*i + 12 = -3. Solve -3*l + 12 = i for l.

3

Let n® = r**2 - 4*r + 2. Let c be n(4). Solve 0 = -4*v - c + 10 for v.

2

Suppose 3*i - 6 = -0i. Let k be 2-3*(-4 + i). Solve k = o + 2*o for o.

4

Let t = 6 + -2. Suppose -5*p + t*v - 8 = -28, 3*v + 12 = 3*p. Solve -r - 6 = -p*r for r.

2

Suppose -u - 27 = -4*u. Suppose -u = -0*n - 3*n. Solve 0 = 5*m + n - 8 for m.

1