Question

-6(1,5-2x)=3(-15+2x)

Answer 1

=>12x-9=6x-45

=>6x=-36

hay x=-6

Answer 2

\(-6(1,5-2x)=3(-15+2x)\)

\(<=>-6.1,5+(-6).(-2x)=3.(-15)+3.2x\)

\(<=>-9+12x=-45+6x\)

\(<=>12x-6x=-45+9\)

\(<=>6x=-36\)

\(<=>x=-6\)

Answer 3

- 6 ( 1,5 - 2x ) = 3 ( - 14 + 2x )

=> 12x - 9 = 6x - 45

=> 6x = - 36

hoặc x = -6