Question

3(0.9-x)=2x+1,2
решите плиз

Answer 1

$2.7-3x=2x+1.2\ 5x=1.5\ x=1.5:5=0.3$

Answer 2

3( 0,9 - x ) = 2x + 1,2 
2,7 - 3x = 2x + 1,2 
2x + 3x = 2,7 - 1,2 
5x = 1,5 
x = 1,5 : 5 
x = 0,3