Помогите плиз!!!!!!!! 2,4х+1,8(х-0,2)=2,16

Question

Помогите плиз!!!!!!!!
2,4х+1,8(х-0,2)=2,16

Answer 1

2,4х+1,8(х-0,2)=2,16
2,4x+1.8x-0.36=2.16
4.2x=2.52
x=2.52:4.2
x=0.6