3-7a=-7-(5a-8)

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Solution for 3-7a=-7-(5a-8) equation:



3-7a=-7-(5a-8)
We move all terms to the left:
3-7a-(-7-(5a-8))=0
We calculate terms in parentheses: -(-7-(5a-8)), so:
-7-(5a-8)
determiningTheFunctionDomain -(5a-8)-7
We get rid of parentheses
-5a+8-7
We add all the numbers together, and all the variables
-5a+1
Back to the equation:
-(-5a+1)
We get rid of parentheses
-7a+5a-1+3=0
We add all the numbers together, and all the variables
-2a+2=0
We move all terms containing a to the left, all other terms to the right
-2a=-2
a=-2/-2
a=1

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