6-x-4x=21+3x

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



6-x-4x=21+3x
We move all terms to the left:
6-x-4x-(21+3x)=0
We add all the numbers together, and all the variables
-x-4x-(3x+21)+6=0
We add all the numbers together, and all the variables
-5x-(3x+21)+6=0
We get rid of parentheses
-5x-3x-21+6=0
We add all the numbers together, and all the variables
-8x-15=0
We move all terms containing x to the left, all other terms to the right
-8x=15
x=15/-8
x=-1+7/8

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