Respuesta :
Answer:
A) 5
Step-by-step explanation:
6(2x+a)=12x+30
6*2x+6*a=12x+30
12x+6x=12x+30
6a=12x+30-12x
6a=30
a=30/6
a=5
Answer: A is the answer
Step-by-step explanation:
If you plug in a variable for x (I did 2) and then plug in 5 (which is A) here is what you get-
6(2*2+5)=12*2+30
6*9=24+30
54=54