3y/4-2y/5=7

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


y in (-oo:+oo)

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

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

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

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

7/20*y = 7 // : 7/20

y = 7/7/20

y = 20

y = 20

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