Respuesta :

first, you distribute 3(4x-7)

you get 12x-21=27. add 21 to both sides

you end up with 12x=48. Divide 12 from each side. You should get x=4. Hope this helps.

Ocryxic
First distribute 3 into 4 and 7 to make 12x-21=27. then add 21 into both sides to get 12x=48 (12x(-21+21)=(27+21)). then divide 12 into both sides to get the answer, x=4