2280=2(x+420)+2x

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Solution for 2280=2(x+420)+2x equation:



2280=2(x+420)+2x
We move all terms to the left:
2280-(2(x+420)+2x)=0
We calculate terms in parentheses: -(2(x+420)+2x), so:
2(x+420)+2x
We add all the numbers together, and all the variables
2x+2(x+420)
We multiply parentheses
2x+2x+840
We add all the numbers together, and all the variables
4x+840
Back to the equation:
-(4x+840)
We get rid of parentheses
-4x-840+2280=0
We add all the numbers together, and all the variables
-4x+1440=0
We move all terms containing x to the left, all other terms to the right
-4x=-1440
x=-1440/-4
x=+360

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