-8a/8 = 22
8 divided by 22 is 2.75
a = -2.75
Answer:
r =29.82
Step-by-step explanation:
r/7.1 = 4.2
Multiply each side by 7.1
r/7.1 *7.1 = 4.2*7.1
r =29.82
First divide both sides by 2 so that we can get rid of the parentheses, so we get

now subtract 5 from both sides

then finally we want x alone so we'll divide both sides by 3 and get our final answer!
Are you asking to find the area
Answer:
x=-2
Step-by-step explanation: