Question

Tìm x :156-56x=24x-156

Answer 1

156-56x=24x-156

=>156+156=24x+56x

80x=312

x=3,9

Answer 2

VT=-4(14x-39)

VP=12(2x-13)

=>-4(14x-39)=12(2x-13)

=>-80x=-312

=>x=\(\frac{39}{10}\)

Answer 3

156-56x=24x-156

=>156=24x-156+56x

=>156=80x-156

=>156+156=80x

=>312=80x

=>312:80=x

=>x=3,9