7x+5-7=21+10x

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Solution for 7x+5-7=21+10x equation: 



7x+5-7=21+10x

We move all terms to the left:

7x+5-7-(21+10x)=0

We add all the numbers together, and all the variables

7x-(10x+21)+5-7=0

We add all the numbers together, and all the variables

7x-(10x+21)-2=0

We get rid of parentheses

7x-10x-21-2=0

We add all the numbers together, and all the variables

-3x-23=0

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

-3x=23

x=23/-3

x=-7+2/3

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