а)2x+3=0 б)6x-7=15+2x
а)2x+3=0
2x = - 3
x = -3:2
x=-3/2
x = -1,5
б)6x-7=15+2x
6x - 2x = 15 + 7
4x = 22
x = 22:4
x = 5,5
2х+3=0 2х=-3 х=-1,5 6х-7=15+2х 4х=22 х=5,5