Let y = 1 - -5. Let u = -2 + 4. Suppose -5 = -u*n + 3. Solve y = -n*l + l for l.

-2

Suppose 3*h - 2*h + 7 = k, -k - 23 = 5*h. Suppose o + 0*n - 2 = -k*n, 2 = o - 2*n. Solve o*t + 3*t = 20 for t.

4

Let z(y) = 3*y3 + 2*y2 - y. Let j be z(1). Suppose -j*d + 7 = -5. Solve 2*m + 1 + d = 0 for m.

-2

Suppose 2*m - 9 + 3 = 0. Let z = m - 4. Let k be 2 - (z + 1) - -2. Solve 0 = 4*i + k - 0 for i.

-1

Let m(d) = -2*d - 3. Let q be m(-5). Let o = -61 + 69. Solve o = -5*j - q for j.

-3

Suppose -4*g + 28 = t, 2*g = 6*g - 2*t - 40. Solve 3*d - g = -d for d.

2

Suppose -2*c + 29 - 23 = 0. Solve -c*a + 8 = a for a.

2

Suppose -3*k - 3*q + 9 = -6*q, -3*q - 15 = -5*k. Suppose 3*m - z - 12 = 2*z, -k*z - 18 = -5*m. Solve m*g = 6*g for g.

0

Suppose 2*m = 10 - 6. Let w = -2 + 5. Suppose w*u = -u + 16. Solve -2*v = m*v + u for v.

-1

Let c be ((-40)/(-50))/(2/(-10)). Let k be (-189)/(-15) + c/(-10). Solve k = 5*r - 2 for r.

3