X+3x+x+5=20

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Solution for X+3x+x+5=20 equation:



X+3X+X+5=20
We move all terms to the left:
X+3X+X+5-(20)=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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