3x-45+3x=4x+15

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Solution for 3x-45+3x=4x+15 equation: 



3x-45+3x=4x+15

We move all terms to the left:

3x-45+3x-(4x+15)=0

We add all the numbers together, and all the variables

6x-(4x+15)-45=0

We get rid of parentheses

6x-4x-15-45=0

We add all the numbers together, and all the variables

2x-60=0

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

2x=60

x=60/2

x=30

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