x=-2(2x-4)+7

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Solution for x=-2(2x-4)+7 equation:



x=-2(2x-4)+7
We move all terms to the left:
x-(-2(2x-4)+7)=0
We calculate terms in parentheses: -(-2(2x-4)+7), so:
-2(2x-4)+7
We multiply parentheses
-4x+8+7
We add all the numbers together, and all the variables
-4x+15
Back to the equation:
-(-4x+15)
We get rid of parentheses
x+4x-15=0
We add all the numbers together, and all the variables
5x-15=0
We move all terms containing x to the left, all other terms to the right
5x=15
x=15/5
x=3

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