5+7=13;3x

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Solution for 5+7=13;3x equation:



5+7=133x
We move all terms to the left:
5+7-(133x)=0
We add all the numbers together, and all the variables
-133x+12=0
We move all terms containing x to the left, all other terms to the right
-133x=-12
x=-12/-133
x=12/133

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