3(0,4x+7)-4(0,8x-3)=2

Question

3(0,4x+7)-4(0,8x-3)=2

Answer 1

3(0,4х+7)-4(0,8х-3)=2
3*0,4х+3*7-4*0,8х-4*(-3)=2
1,2х+21-3,2х+12=2
1,2х-3,2х=2-21-12
-2х= -31
х= -31:(-2)
х= 15,5