3-x=-72/2

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Solution for 3-x=-72/2 equation: 



3-x=-72/2

We move all terms to the left:

3-x-(-72/2)=0

We add all the numbers together, and all the variables

-x+3-(-36)=0

We add all the numbers together, and all the variables

-1x+39=0

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

-x=-39

x=-39/-1

x=+39

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