4X+5y=100=X+Y=440

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Solution for 4X+5y=100=X+Y=440 equation:



4X+5X=100=X+=440
We move all terms to the left:
4X+5X-(100)=0
We add all the numbers together, and all the variables
9X-100=0
We move all terms containing X to the left, all other terms to the right
9X=100
X=100/9
X=11+1/9

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