5643+4x=4

Solve the equation 5643 + 4x = 4.

• Subtract 5643: 4x = 4 - 5643 = -5639
• Divide by 4: x = -5639/4 = -1409.75

Check: 5643 + 4(-1409.75) = 5643 - 5639 = 4, which is correct.