3x/4-2x/5=7

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


x in (-oo:+oo)

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

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

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

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

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

x = 7/7/20

x = 20

x = 20

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