Let t = 79 + -71. Solve 4*r - t*r = 20 for r.

-5

Suppose 2*w - 6*r + 3*r = 13, 4*w - 28 = 4*r. Let l(v) = 3*v - 1. Let m be l(1). Suppose 3*g + 0 = 5*i - 4, -5*i = -5*g. Solve -g*t = m*t + w for t.

-2

Let b(d) = d**2 - 6*d + 6. Let k be b(5). Solve -f + k = 2 for f.

-1

Suppose a = -4*s + 3*s + 1, -a = -4*s + 24. Let v(k) = -k**2 - 5*k + 3. Let q be v(a). Suppose j + 6 = 3*j + 2*p, -2 = -2*j + 2*p. Solve 0 = j*t - 1 - q for t.

4

Let u(d) be the first derivative of -d6120 + d560 + d**2 + 3. Let v(y) be the second derivative of u(y). Let p be v(-2). Solve -5*k = 2 - p for k.

2

Let q(w) = w**2 - w - 2. Let a be q(3). Solve 4 = a*c - 0 for c.

1

Let a be (10 - -1) + 0 + 1. Let n(d) = -d**2 + 7*d - 4. Let i be n(4). Solve i + a = 5*k for k.

4

Suppose -20 = -8*q + 12. Let r be (-1)/((2 + 0)/(-4)). Solve -q*k + 6 = -r for k.

2

Let i = -8 + 12. Solve 2*w = -2*w + i for w.

1

Let i(s) = s. Let o(v) = -v + 1. Let u(q) = -5*i(q) - 3*o(q). Let g be u(-6). Suppose 0 = 5*j - 3*c - g, -4*j - 5*c = 15. Solve j = 5*k - 0 + 10 for k.

-2