7x-9+4=3x+15

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Solution for 7x-9+4=3x+15 equation: 



7x-9+4=3x+15

We move all terms to the left:

7x-9+4-(3x+15)=0

We add all the numbers together, and all the variables

7x-(3x+15)-5=0

We get rid of parentheses

7x-3x-15-5=0

We add all the numbers together, and all the variables

4x-20=0

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

4x=20

x=20/4

x=5

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