Answer:
a = 1/4
Step-by-step explanation:
To solve for a, you need to isolate it by dividing both sides by 28.
7/28 = 1/4
a = 1/4
Check your answer by plugging x = 1/4 back into the equation.
28(1/4) = 7
7 = 7
Your answer is correct.
Hope this helps!
