7x+9=3x+7

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Solution for 7x+9=3x+7 equation: 



7x+9=3x+7

We move all terms to the left:

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

We get rid of parentheses

7x-3x-7+9=0

We add all the numbers together, and all the variables

4x+2=0

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

4x=-2

x=-2/4

x=-1/2

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