x+x+x+4x=31+4

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Solution for x+x+x+4x=31+4 equation:



x+x+x+4x=31+4
We move all terms to the left:
x+x+x+4x-(31+4)=0
We add all the numbers together, and all the variables
x+x+x+4x-35=0
We add all the numbers together, and all the variables
7x-35=0
We move all terms containing x to the left, all other terms to the right
7x=35
x=35/7
x=5

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