Suppose 7*t + 3*t = 130. Solve 0 = -5*d + 2 + t for d.

3

Let b be 1 + (-3 - -2 - -4). Solve -15 = u + b*u for u.

-3

Let b(a) = a3 - 11*a2. Let t be b(11). Let s be (-2)/9 + 2⁄9. Let v = t + s. Solve v = z + 2*z + 15 for z.

-5

Suppose -3*c = -6*c + 30. Suppose -3*z = c - 25. Let n be 2/(-7) + (-30)/(-7). Solve z*f = 6*f + n for f.

-4

Let m = 1 + 3. Suppose -m*q - 6 = -6*q. Let v = q + -1. Solve v*r = -r - 6 for r.

-2

Let k be 4/(-1 - 3) - (-2)/2. Solve k = t - 3*t + 10 for t.

5

Let r(v) = -1 + 2*v + 13*v3 + 3*v2 - 14*v3 + 0*v - 5*v2. Let b be r(-3). Solve 0 = -3*l - b + 11 for l.

3

Suppose 27 = i + 7. Solve 3*y + 8 = i for y.

4

Let c = 89 + -85. Solve k - 20 = -c*k for k.

4

Let m = 191 - 179. Let x = 1 - 1. Solve x = -2*k - k + m for k.

4