7,98 / (2х + 0,18) = 19

Question

7,98 / (2х + 0,18) = 19

Answer 1

19(2х+0,18)=7,98
2х+0,18=7,98/19
2х+0,18=0,42
2х=0,42-0,18
2х=0,24
х=0,24/2
х=0,12