Write down the solution for this math problem: Solve 21*l = -18*l - 726 + 258 for l.
answer: -12

Write down the solution for this math problem: Solve -18726 + 179404 = -3520*t - 89242 for t.
answer: -71

Write down the solution for this math problem: Solve -12 = -8*d + 20 for d.
answer: 4

Write down the solution for this math problem: Solve -48663 = 26*v - 48039 for v.
answer:
-24