21x+1=18x=13

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Solution for 21x+1=18x=13 equation: 



21x+1=18x=13

We move all terms to the left:

21x+1-(18x)=0

We add all the numbers together, and all the variables

3x+1=0

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

3x=-1

x=-1/3

x=-1/3

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