Write down the solution for this math problem: Solve 2*x + 3 = 3*x for x.
answer: 3

Write down the solution for this math problem: Solve 17813 = -143*l + 21245 for l.
answer: 24

Write down the solution for this math problem: Solve -3784*d - 240*d - 255560 = -782*d + 20010 for d.
answer: -85

Write down the solution for this math problem: Solve 48 - 141 = 7*a + 89 for a.
answer:
-26