2x/5+7=3x/4

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Solution for 2x/5+7=3x/4 equation: 


x in (-oo:+oo)

(2*x)/5+7 = (3*x)/4 // - (3*x)/4

(2*x)/5-((3*x)/4)+7 = 0

(2*x)/5+(-3/4)*x+7 = 0

7-7/20*x = 0 // - 7

-7/20*x = -7 // : -7/20

x = -7/(-7/20)

x = 20

x = 20

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