5(4+x)=21-4x

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Solution for 5(4+x)=21-4x equation:



5(4+x)=21-4x
We move all terms to the left:
5(4+x)-(21-4x)=0
We add all the numbers together, and all the variables
5(x+4)-(-4x+21)=0
We multiply parentheses
5x-(-4x+21)+20=0
We get rid of parentheses
5x+4x-21+20=0
We add all the numbers together, and all the variables
9x-1=0
We move all terms containing x to the left, all other terms to the right
9x=1
x=1/9
x=1/9

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