Add 1/4a to both sides
-4= 8/4a-3
Simplify
-4=2a-3
Add 3 to both sides
-1=2a
Divide both sides by 2
-1/2=a
Final answer: a=-1/2
7 squared equals 7 times 7
Answer:
40% or 0.4
Step-by-step explanation:
70 ÷ 175 = 0.4
Step-by-step explanation:

multiply both sides by a - r

divide both sides by s

subtract a from both sides

invert the signs
