15+x+x+x=51-x-x-x=

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Solution for 15+x+x+x=51-x-x-x= equation:



15+x+x+x=51-x-x-x=
We move all terms to the left:
15+x+x+x-(51-x-x-x)=0
We add all the numbers together, and all the variables
x+x+x-(-3x+51)+15=0
We add all the numbers together, and all the variables
3x-(-3x+51)+15=0
We get rid of parentheses
3x+3x-51+15=0
We add all the numbers together, and all the variables
6x-36=0
We move all terms containing x to the left, all other terms to the right
6x=36
x=36/6
x=6

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