7x=9-3(5-3x)

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Solution for 7x=9-3(5-3x) equation:



7x=9-3(5-3x)
We move all terms to the left:
7x-(9-3(5-3x))=0
We add all the numbers together, and all the variables
7x-(9-3(-3x+5))=0
We calculate terms in parentheses: -(9-3(-3x+5)), so:
9-3(-3x+5)
determiningTheFunctionDomain -3(-3x+5)+9
We multiply parentheses
9x-15+9
We add all the numbers together, and all the variables
9x-6
Back to the equation:
-(9x-6)
We get rid of parentheses
7x-9x+6=0
We add all the numbers together, and all the variables
-2x+6=0
We move all terms containing x to the left, all other terms to the right
-2x=-6
x=-6/-2
x=+3

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