10x-30=7x+15

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Solution for 10x-30=7x+15 equation: 



10x-30=7x+15

We move all terms to the left:

10x-30-(7x+15)=0

We get rid of parentheses

10x-7x-15-30=0

We add all the numbers together, and all the variables

3x-45=0

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

3x=45

x=45/3

x=15

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