1.75x+21=4x+9

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Solution for 1.75x+21=4x+9 equation: 



1.75x+21=4x+9

We move all terms to the left:

1.75x+21-(4x+9)=0

We get rid of parentheses

1.75x-4x-9+21=0

We add all the numbers together, and all the variables

-2.25x+12=0

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

-2.25x=-12

x=-12/-2.25

x=5+0.75/2.25

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