7x+21=10x+-3

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Solution for 7x+21=10x+-3 equation: 



7x+21=10x+-3

We move all terms to the left:

7x+21-(10x+-3)=0

We add all the numbers together, and all the variables

7x-(10x-3)+21=0

We get rid of parentheses

7x-10x+3+21=0

We add all the numbers together, and all the variables

-3x+24=0

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

-3x=-24

x=-24/-3

x=+8

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