21x-18=10+25x

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Solution for 21x-18=10+25x equation: 



21x-18=10+25x

We move all terms to the left:

21x-18-(10+25x)=0

We add all the numbers together, and all the variables

21x-(25x+10)-18=0

We get rid of parentheses

21x-25x-10-18=0

We add all the numbers together, and all the variables

-4x-28=0

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

-4x=28

x=28/-4

x=-7

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