7x+3=4(x+3)

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Solution for 7x+3=4(x+3) equation:



7x+3=4(x+3)
We move all terms to the left:
7x+3-(4(x+3))=0
We calculate terms in parentheses: -(4(x+3)), so:
4(x+3)
We multiply parentheses
4x+12
Back to the equation:
-(4x+12)
We get rid of parentheses
7x-4x-12+3=0
We add all the numbers together, and all the variables
3x-9=0
We move all terms containing x to the left, all other terms to the right
3x=9
x=9/3
x=3

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