x/13+21=20

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Solution for x/13+21=20 equation: 



x/13+21=20

We move all terms to the left:

x/13+21-(20)=0

We add all the numbers together, and all the variables

x/13+1=0

We multiply all the terms by the denominator


x+1*13=0

We add all the numbers together, and all the variables

x+13=0

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

x=-13

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