4-2x/7=20

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Solution for 4-2x/7=20 equation: 


x in (-oo:+oo)

4-((2*x)/7) = 20 // - 20

4-((2*x)/7)-20 = 0

(-2/7)*x-20+4 = 0

-2/7*x-16 = 0 // + 16

-2/7*x = 16 // : -2/7

x = 16/(-2/7)

x = -56

x = -56

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