SOLUTION: solve the equation by finding square roots if necessary round to nearest 7x squared -8 = 20. can you show me the steps?

SOLUTION: solve the equation by finding square roots if necessary round to nearest 7x squared -8 = 20. can you show me the steps?

Algebra.Com

Question 282242: solve the equation by finding square roots if necessary round to nearest
7x squared -8 = 20.
can you show me the steps?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
7x^2-8=20
add 8
7x^2=28
divide by 7
x^2=4
take sq rt
x=2
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