Write down the solution for this math problem: Solve -1872*j = -962*j - 966*j - 280 for j.
answer: -5

Write down the solution for this math problem: Solve 118 - 122 = 4*t for t.
answer: -1

Write down the solution for this math problem: Solve -39*z + 7104 = -91*z + 112*z + 236*z for z.
answer: 24

Write down the solution for this math problem: Solve -5 = -16*i - 21 for i.
answer:
-1