a)(x+2.3)*0.2=0.7 г)0,39:x-0,1=0,16

Question

a)(x+2.3)*0.2=0.7 г)0,39:x-0,1=0,16

Answer 1

(х+3)*0.2=0.7

0.2х + 0.46 = 0.7

0.2х = 0.24

х=1.2

Answer 2

А)(х+2.3)*0.2=0.7 раскрываем скобки:

0.2х+0.46=0.7

0.2х=0.7-0.46

0.2х=0.24

х=0.24:2

х=0.12