1) 8а+0,43=4,61-8а 2) (6а+1)-(3+2а)=14 3) -2х=-14 4) 2(х-3)=2х-6 5) -2х=три седьмые 6) (7х+1)-(6х+3)=5 7) (8х+11)-13=9х-5 8) 8х+5=119+(7-9х)

8a+0.43=4.61-8a8a+8a=4.61-0.4316a=4.18a=0.26125(6a+1)-(3+2a)=146a+1-3-2a=144a=14-1+34a=16a=4-2x=-14x=-14:(-2)x=72(x-3)=2x-62x-6=2x-61-2x=3/7x=-(3/7 * 2.1)x=-6/7(7x+1)-(6x+3)=57x+1-6x-3=5x=5-1+3x=7(8x+11)-13=9x-58x+11-13+5=9x8x-9x=-5+13-11-x=-3x=38x+5=119+(7-9x)8x+5=119+7-517x=121x= 7цел.2/7