-1/5(x+20)=21

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Solution for -1/5(x+20)=21 equation: 


x in (-oo:+oo)

(-1/5)*(x+20) = 21 // - 21

(-1/5)*(x+20)-21 = 0

-1/5*(x+20)-21 = 0

-1/5*(x+20)-21 = 0

-1/5*x-25 = 0

-1/5*x-25 = 0

-1/5*x-25 = 0 // + 25

-1/5*x = 25 // : -1/5

x = 25/(-1/5)

x = -125

x = -125

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