Решите уравнения : -1+8(7-6х)=2х+6 -2+3(1+2х)=-2х+3 -3+4=-10+5(-7-х)
1) -1+8(7-6x)=2x+6 -1 + 56-48x=2x+6 -1+56-6=2x+48x 49=50x x= 0,98 2) -2+3(1+2x)= 2x+3 -2 +3+6x = 2x+3 6x-2x= 3+2-3 4x = 2 x = 0,5 3) -3 +4 = -10+5(-7-x) 1 = -10 - 35 - 5x 1+10+35 = -5x 46 = -5x x = -5/46