(8x+3)-(10x+6)=9 решите уравнение
(8х+3)-(10х+6)=9 8х+3-10х-6=9 8х-10х=9-3+6 -2х=12 х=12:(-2) х=-6
(8х+3)-(10х+6)=9 8х+3-10х-6=9 8х-10х=9-3+6 -2х=12 Х=-6