(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-((21-(7*y))/10) = 0

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

(-1*(21-7*y))/10+(3*x)/5 = 0

(-1*5*(21-7*y))/(5*10)+(3*10*x)/(5*10) = 0

3*10*x-1*5*(21-7*y) = 0

30*x+35*y-105 = 0

(30*x+35*y-105)/(5*10) = 0

(30*x+35*y-105)/(5*10) = 0 // * 5*10

30*x+35*y-105 = 0

30*x+35*y-105 = 0 // - 35*y-105

30*x = -(35*y-105) // : 30

x = (-(35*y-105))/30

x = (105-(35*y))/30

x = (105-(35*y))/30

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