3x+15=42,4x+27=

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Solution for 3x+15=42,4x+27= equation: 



3x+15=42.4x+27=

We move all terms to the left:

3x+15-(42.4x+27)=0

We get rid of parentheses

3x-42.4x-27+15=0

We add all the numbers together, and all the variables

-39.4x-12=0

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

-39.4x=12

x=12/-39.4

x=-4/13.133333333333

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