А)-3x+2=5x б)-4х+7=5х+1 в)2х+7=-19

Question

А)-3x+2=5x
б)-4х+7=5х+1
в)2х+7=-19

Answer 1

А)-3x+2=5x; -3х-5х=-2;-8х=-2; х=2/8; х=1/4;//// б)-4х+7=5х+1; -4х-5х=1-7; -9х=-6; х=6/9; х=2/3;/// в)2х+7=-19; 2х=-19-7; Х=-26:2; Х=-13