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-31+21x=-5-5(1+5x)
We move all terms to the left:
-31+21x-(-5-5(1+5x))=0
We add all the numbers together, and all the variables
21x-(-5-5(5x+1))-31=0
We calculate terms in parentheses: -(-5-5(5x+1)), so:We get rid of parentheses
-5-5(5x+1)
determiningTheFunctionDomain -5(5x+1)-5
We multiply parentheses
-25x-5-5
We add all the numbers together, and all the variables
-25x-10
Back to the equation:
-(-25x-10)
21x+25x+10-31=0
We add all the numbers together, and all the variables
46x-21=0
We move all terms containing x to the left, all other terms to the right
46x=21
x=21/46
x=21/46
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