Answer: r=−9
Step-by-step explanation: Hope this help :D
Let's solve your equation step-by-step.
4r=−36
Step 1: Divide both sides by 4.
4r/4=−36/4r
=−9
Answer:
4r=-36
-36/4=r
-9=r
Therefore
r=-9
(☞゚ヮ゚)☞
Step-by-step explanation:
area= x^2+8x+7
a=l*w
l=x+7
w=x+1
a=(x+7)(x+1)
a= x^2+8x+7