1+4x=21-1x

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Solution for 1+4x=21-1x equation:



1+4x=21-1x
We move all terms to the left:
1+4x-(21-1x)=0
We add all the numbers together, and all the variables
4x-(-1x+21)+1=0
We get rid of parentheses
4x+1x-21+1=0
We add all the numbers together, and all the variables
5x-20=0
We move all terms containing x to the left, all other terms to the right
5x=20
x=20/5
x=4

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