7=9-2(2x-5)

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Solution for 7=9-2(2x-5) equation: 



7=9-2(2x-5)

We move all terms to the left:

7-(9-2(2x-5))=0



We calculate terms in parentheses: -(9-2(2x-5)), so:

9-2(2x-5)

determiningTheFunctionDomain
-2(2x-5)+9

We multiply parentheses

-4x+10+9

We add all the numbers together, and all the variables

-4x+19

Back to the equation:

-(-4x+19)



We get rid of parentheses

4x-19+7=0

We add all the numbers together, and all the variables

4x-12=0

We move all terms containing x to the left, all other terms to the right

4x=12

x=12/4

x=3

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