Let k = -5 - -8. Solve r = -k*r for r.

0

Let q(w) = w**2 - w - 4. Let t be q(3). Solve -4*k = -6 - t for k.

2

Let w be (2 + -6)/(-2) - 2. Suppose 0 = -4*o + s - 4, -5*o + 16 = 4*s - w*s. Solve o*d = d - 3 for d.

3

Suppose v - 3*k = 15, -v - 4*k - 4 = 3*v. Let t be (-1)/4 - (-75)/12. Solve -v*b + b = -t for b.

3

Let y(o) = o2 - 3*o + 1. Let a be y(4). Let j(q) = -q2 - 7*q - 7. Let m be j(-5). Let p be (m - -7)/(2⁄5). Solve -p = -0*r + a*r for r.

-5

Suppose 4 + 1 = t. Suppose t*r + 2 = 12. Let p(k) = k3 + 2*k2 - k - 2. Let o be p(-2). Solve -2*g - 2 - r = o for g.

-2

Suppose 2*l = 7*l - 4*g + 6, 0 = -2*l + 3*g - 8. Suppose -t = -2*j + 8, -l*j - t + 7 = -j. Suppose j*o - 17 - 18 = 0. Solve 0 = 2*z - o*z for z.

0

Suppose -z = -7 - 0. Suppose n + 2 = z. Let u = n - 2. Solve -3*j = 12 - u for j.

-3

Suppose 3 = 4*j - 1. Let y© = 10*c**2 + c - 2. Let n be y(j). Solve 4*z + 21 = n for z.

-3

Let m be ((-7)/2)/((-7)/14). Solve -2*k - 1 + m = 0 for k.

3