45-y/2=7y

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Solution for 45-y/2=7y equation: 


y in (-oo:+oo)

45-(y/2) = 7*y // - 7*y

45-(y/2)-(7*y) = 0

45-(y/2)-7*y = 0

45-15/2*y = 0 // - 45

-15/2*y = -45 // : -15/2

y = -45/(-15/2)

y = 6

y = 6

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