-3-(-7)=x/2

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Solution for -3-(-7)=x/2 equation: 


x in (-oo:+oo)

7-3 = x/2 // - x/2

7-(x/2)-3 = 0

4-1/2*x = 0 // - 4

-1/2*x = -4 // : -1/2

x = -4/(-1/2)

x = 8

x = 8

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