8x+7+75=21x+4

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Solution for 8x+7+75=21x+4 equation: 



8x+7+75=21x+4

We move all terms to the left:

8x+7+75-(21x+4)=0

We add all the numbers together, and all the variables

8x-(21x+4)+82=0

We get rid of parentheses

8x-21x-4+82=0

We add all the numbers together, and all the variables

-13x+78=0

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

-13x=-78

x=-78/-13

x=+6

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