Question: What is the solution?

Solve 3574 - 4210 = 53*l for l.

Answer: -12

Question: What is the solution?

Solve 0 = 6*y - 2*y - 8 for y.

Answer: 2

Question: What is the solution?

Solve 5*d - 196 = -231 for d.

Answer: -7

Question: What is the solution?

Solve -4*z - 4*z = -4*z for z.

Answer:
0