3xx+8=12

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Solution for 3xx+8=12 equation: 



3xx+8=12

We move all terms to the left:

3xx+8-(12)=0

We add all the numbers together, and all the variables

3xx-4=0

We move all terms containing x to the left, all other terms to the right

3xx=4

x=4/1

x=4

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