Q: Solve -1180*z - 70488 = -372*z - 2217*z - 2507*z for z.

A: 18

Q: Solve 90*k + 34*k = -1240 for k.

A: -10

Q: Solve -235*s + 248*s - 91 = 0 for s.

A: 7

Q: Solve -103*n = 2855 + 470 - 26 + 409 for n.

A:
-36