21x+6-23x=7-9

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Solution for 21x+6-23x=7-9 equation: 



21x+6-23x=7-9

We move all terms to the left:

21x+6-23x-(7-9)=0

We add all the numbers together, and all the variables

21x-23x+6-(-2)=0

We add all the numbers together, and all the variables

-2x+8=0

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

-2x=-8

x=-8/-2

x=+4

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