7x+49=4x-(7-x)

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Solution for 7x+49=4x-(7-x) equation:



7x+49=4x-(7-x)
We move all terms to the left:
7x+49-(4x-(7-x))=0
We add all the numbers together, and all the variables
7x-(4x-(-1x+7))+49=0
We calculate terms in parentheses: -(4x-(-1x+7)), so:
4x-(-1x+7)
We get rid of parentheses
4x+1x-7
We add all the numbers together, and all the variables
5x-7
Back to the equation:
-(5x-7)
We get rid of parentheses
7x-5x+7+49=0
We add all the numbers together, and all the variables
2x+56=0
We move all terms containing x to the left, all other terms to the right
2x=-56
x=-56/2
x=-28

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