3/4(7a+2)=10 divide both sides by 3/4
7a+2=10/.75 simplify:10/.75=13.333.., or 13 and 1/3
7a+2=13 1/3 -2 both sides
7a=11 1/3 divide both sides by 7
a=11.33333333../7
simplify: 11.3333../7=1.6190476190476190476190476190476..., or approximately 1.62
I can't blame you for posting the problem. With an answer like that, I doubt it myself.
In fact, check it. lol are you sure the problem is posted correctly?
lol. jk. there's your answer.