12=5x+(1-x)13.75

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Solution for 12=5x+(1-x)13.75 equation: 



12=5x+(1-x)13.75

We move all terms to the left:

12-(5x+(1-x)13.75)=0

We add all the numbers together, and all the variables

-(5x+(-1x+1)13.75)+12=0



We calculate terms in parentheses: -(5x+(-1x+1)13.75), so:

5x+(-1x+1)13.75

We multiply parentheses

5x-13.75x+13.75

We add all the numbers together, and all the variables

-8.75x+13.75

Back to the equation:

-(-8.75x+13.75)



We get rid of parentheses

8.75x-13.75+12=0

We add all the numbers together, and all the variables

8.75x-1.75=0

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

8.75x=1.75

x=1.75/8.75

x=1/5

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