4x+7=9x+42

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Solution for 4x+7=9x+42 equation: 



4x+7=9x+42

We move all terms to the left:

4x+7-(9x+42)=0

We get rid of parentheses

4x-9x-42+7=0

We add all the numbers together, and all the variables

-5x-35=0

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

-5x=35

x=35/-5

x=-7

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