7x-21x=186

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Solution for 7x-21x=186 equation: 



7x-21x=186

We move all terms to the left:

7x-21x-(186)=0

We add all the numbers together, and all the variables

-14x-186=0

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

-14x=186

x=186/-14

x=-13+2/7

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