1.8x-7=4x+21

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Solution for 1.8x-7=4x+21 equation: 



1.8x-7=4x+21

We move all terms to the left:

1.8x-7-(4x+21)=0

We get rid of parentheses

1.8x-4x-21-7=0

We add all the numbers together, and all the variables

-2.2x-28=0

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

-2.2x=28

x=28/-2.2

x=-12+1/1.375

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