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-2=-8+2(u+8)
We move all terms to the left:
-2-(-8+2(u+8))=0
We calculate terms in parentheses: -(-8+2(u+8)), so:We get rid of parentheses
-8+2(u+8)
determiningTheFunctionDomain 2(u+8)-8
We multiply parentheses
2u+16-8
We add all the numbers together, and all the variables
2u+8
Back to the equation:
-(2u+8)
-2u-8-2=0
We add all the numbers together, and all the variables
-2u-10=0
We move all terms containing u to the left, all other terms to the right
-2u=10
u=10/-2
u=-5
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