а) 3 : (2x + 8) - (5х + 2) = 0;
6x+24-5x-2=0
x+22=0
x=-22
б) –3 : (3y + 4) + 4 : (2y — 1) = 0;
-9y-12+8y-4=0
-y-16=0
-y=16
y=-16
в) 8: (3 – 2x) + 5: (3х + 5) = 9.
24-16х+15х+25=9
-х+49=9
-x=-40
x=40
а) 3 : (2x + 8) - (5х + 2) = 0;
6x+24-5x-2=0
x+22=0
x=-22
б) –3 : (3y + 4) + 4 : (2y — 1) = 0;
-9y-12+8y-4=0
-y-16=0
-y=16
y=-16
в) 8: (3 – 2x) + 5: (3х + 5) = 9.
24-16х+15х+25=9
-х+49=9
-x=-40
x=40