6x+3-5x=4x+21

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Solution for 6x+3-5x=4x+21 equation: 



6x+3-5x=4x+21

We move all terms to the left:

6x+3-5x-(4x+21)=0

We add all the numbers together, and all the variables

x-(4x+21)+3=0

We get rid of parentheses

x-4x-21+3=0

We add all the numbers together, and all the variables

-3x-18=0

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

-3x=18

x=18/-3

x=-6

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