2x-45=4x-15

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Solution for 2x-45=4x-15 equation: 



2x-45=4x-15

We move all terms to the left:

2x-45-(4x-15)=0

We get rid of parentheses

2x-4x+15-45=0

We add all the numbers together, and all the variables

-2x-30=0

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

-2x=30

x=30/-2

x=-15

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