1/15-7x/5=21

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Solution for 1/15-7x/5=21 equation: 


x in (-oo:+oo)

1/15-((7*x)/5) = 21 // - 21

1/15-((7*x)/5)-21 = 0

(-7/5)*x+1/15-21 = 0

-7/5*x-314/15 = 0 // + 314/15

-7/5*x = 314/15 // : -7/5

x = 314/15/(-7/5)

x = -314/21

x = -314/21

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