9x+4+74=21x+6

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Solution for 9x+4+74=21x+6 equation: 



9x+4+74=21x+6

We move all terms to the left:

9x+4+74-(21x+6)=0

We add all the numbers together, and all the variables

9x-(21x+6)+78=0

We get rid of parentheses

9x-21x-6+78=0

We add all the numbers together, and all the variables

-12x+72=0

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

-12x=-72

x=-72/-12

x=+6

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