3x/5=21-7y/10

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Solution for 3x/5=21-7y/10 equation: 


x in (-oo:+oo)

(3*x)/5 = 21-((7*y)/10) // - 21-((7*y)/10)

(3*x)/5+(7*y)/10-21 = 0

3/5*x+7/10*y-21 = 0 // - 7/10*y-21

3/5*x = -(7/10*y-21) // : 3/5

x = (-(7/10*y-21))/3/5

x = 5/3*(21-(7/10*y))

x = 5/3*(21-(7/10*y))

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