Задача Задача №3471102
А
А
Solve for x:
- Start: 4x + 5 = 2x - 7
- Subtract 2x from both sides: 2x + 5 = -7
- Subtract 5 from both sides: 2x = -12
- Divide by 2: x = -6
Check: 4(-6) + 5 = -24 + 5 = -19; 2(-6) - 7 = -12 - 7 = -19. Correct.
Solve for x:
Check: 4(-6) + 5 = -24 + 5 = -19; 2(-6) - 7 = -12 - 7 = -19. Correct.