20-4x=5-7

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Solution for 20-4x=5-7 equation: 



20-4x=5-7

We move all terms to the left:

20-4x-(5-7)=0

We add all the numbers together, and all the variables

-4x+20-(-2)=0

We add all the numbers together, and all the variables

-4x+22=0

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

-4x=-22

x=-22/-4

x=5+1/2

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