-28-(-49)=x/2

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Solution for -28-(-49)=x/2 equation: 


x in (-oo:+oo)

49-28 = x/2 // - x/2

49-(x/2)-28 = 0

21-1/2*x = 0 // - 21

-1/2*x = -21 // : -1/2

x = -21/(-1/2)

x = 42

x = 42

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