1/2x-3/4x=7

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Solution for 1/2x-3/4x=7 equation: 


x in (-oo:+oo)

(1/2)*x-((3/4)*x) = 7 // - 7

(1/2)*x-((3/4)*x)-7 = 0

(1/2)*x+(-3/4)*x-7 = 0

-1/4*x-7 = 0 // + 7

-1/4*x = 7 // : -1/4

x = 7/(-1/4)

x = -28

x = -28

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