20/(2+2)-3*4=x

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Solution for 20/(2+2)-3*4=x equation: 


x in (-oo:+oo)

20/(2+2)-(3*4) = x // - x

20/(2+2)-x-(3*4) = 0

20/(2+2)-x-12 = 0

-x-7 = 0 // + 7

-x = 7 // * -1

x = -7

x = -7

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