3-8x=21-5x-x=

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Solution for 3-8x=21-5x-x= equation:



3-8x=21-5x-x=
We move all terms to the left:
3-8x-(21-5x-x)=0
We add all the numbers together, and all the variables
-8x-(-6x+21)+3=0
We get rid of parentheses
-8x+6x-21+3=0
We add all the numbers together, and all the variables
-2x-18=0
We move all terms containing x to the left, all other terms to the right
-2x=18
x=18/-2
x=-9

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