X(-7)-x(-3)=-1

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Solution for X(-7)-x(-3)=-1 equation: 



X(-7)-X(-3)=-1

We move all terms to the left:

X(-7)-X(-3)-(-1)=0

We add all the numbers together, and all the variables

X(-7)-X(-3)+1=0

We multiply parentheses

-7X+3X+1=0

We add all the numbers together, and all the variables

-4X+1=0

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

-4X=-1

X=-1/-4

X=1/4

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