16x+21=28x=9

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Solution for 16x+21=28x=9 equation: 



16x+21=28x=9

We move all terms to the left:

16x+21-(28x)=0

We add all the numbers together, and all the variables

-12x+21=0

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

-12x=-21

x=-21/-12

x=1+3/4

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