Question

Tìm x

2x-50+3x-7=4x+120

 

Answer 1

2x-50+3x-7=4x+120

2x+3x-50-7=4x+120

5x-57=4x+120

5x-4x=120+57

1x=177

x=177

Vậy x=177

ủng hộ tròn 590 nha

Answer 2

=>(2x+3x)-(50+7)=4x+120

=>5x-57=4x+120

=>5x-4x=57+120

=>x=177