Question

8) 87 – 2x = 2(4x+56)
9) 3(x + 1 ) + 11 = 34 – 2x
10) 4 + 5(2x+1) = 39
РЕШИТЕ СРОЧНО ПОЖАЛУЙСТА

Answer 1

8) 87-2х=8х+112

8х+2х=87-112

10х=-25

х=-2.5

9) 3х+3+11=34-2х

3х+2х=34-3-11

5х=20

х=4

10) 4+10х+5=39

10х=39-4-5

10х=30

х=3