1/3y-7=1/7y

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Solution for 1/3y-7=1/7y equation: 


y in (-oo:+oo)

(1/3)*y-7 = (1/7)*y // - (1/7)*y

(1/3)*y-((1/7)*y)-7 = 0

(1/3)*y+(-1/7)*y-7 = 0

4/21*y-7 = 0 // + 7

4/21*y = 7 // : 4/21

y = 7/4/21

y = 147/4

y = 147/4

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