7x+123=3x+5

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Solution for 7x+123=3x+5 equation: 



7x+123=3x+5

We move all terms to the left:

7x+123-(3x+5)=0

We get rid of parentheses

7x-3x-5+123=0

We add all the numbers together, and all the variables

4x+118=0

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

4x=-118

x=-118/4

x=-29+1/2

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