3x-(x 17)=21 4-2(x 7)=2x-2(x 3)

Question

3x-(x 17)=21
4-2(x 7)=2x-2(x 3)

Answer 1

1)3х-х-17=21

2х=21+17

2х=38

х=38/2

х=19

2)4-2х-14=2х-2х-6

-2х-2х+2х=-6-4+14

2х=4

х=4/2

х=2