-21/10y=-2/5

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Solution for -21/10y=-2/5 equation:


y in (-oo:+oo)

(-21/10)*y = -2/5 // + -2/5

(-21/10)*y-(-2/5) = 0

(-21/10)*y+2/5 = 0

2/5-21/10*y = 0 // - 2/5

-21/10*y = -2/5 // : -21/10

y = -2/5/(-21/10)

y = 4/21

y = 4/21

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