Answer:
a=1
Step-by-step explanation:
first you distribute for 7(5a-4) so you get 35a - 28 - 1 =14 - 8a.
then you combine like terms so you get 35a - 29 =14 - 8a.
then you do it again which gives you 43a = 43.
divide both sides by 43 to get a by itself and you get a = 1
