2(х – 6) + 4 х = 5х – (8 +х).
Ответ:
2x - 12 + 4x = 5x - (8+x)
2x - 12 + 4x = 5x - 8 - x
6x - 12 = 4x - 8
6x - 4x = -8 + 12
2x = 4
x = 2
2x-12+4x=5x-8-x 2x-12+4x-5x+8+x=0 2x-4=0 2x=4 x=2