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4=-8u-7+6(u-2)
We move all terms to the left:
4-(-8u-7+6(u-2))=0
We calculate terms in parentheses: -(-8u-7+6(u-2)), so:We get rid of parentheses
-8u-7+6(u-2)
determiningTheFunctionDomain -8u+6(u-2)-7
We multiply parentheses
-8u+6u-12-7
We add all the numbers together, and all the variables
-2u-19
Back to the equation:
-(-2u-19)
2u+19+4=0
We add all the numbers together, and all the variables
2u+23=0
We move all terms containing u to the left, all other terms to the right
2u=-23
u=-23/2
u=-11+1/2
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