-2/7(y-14)-1/21y

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Solution for -2/7(y-14)-1/21y equation:


y in (-oo:+oo)

(-2/7)*(y-14)-((1/21)*y) = 0

(-2/7)*(y-14)+(-1/21)*y = 0

-2/7*(y-14)-y/21 = 0

(-2/7*21*(y-14))/21-y/21 = 0

-2/7*21*(y-14)-y = 0

84-7*y = 0

(84-7*y)/21 = 0

(84-7*y)/21 = 0 // * 21

84-7*y = 0

84-7*y = 0 // - 84

-7*y = -84 // : -7

y = -84/(-7)

y = 12

y = 12

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