Question

2х-4(5х-3)=21-7(3х+2) срочно уравнение)

Answer 1

2x-20x+12=21-21x-14
3x=-5
x=-5/3

Answer 2

2х-4(5х-3)=21-7(3х+2)

2х-20х+12=21-21х-14

-18х+21х=7-12

3х=-5

х=- 5/3

х=-1 2/3