1/4(20+k)=30

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Solution for 1/4(20+k)=30 equation: 


k in (-oo:+oo)

(1/4)*(k+20) = 30 // - 30

(1/4)*(k+20)-30 = 0

1/4*(k+20)-30 = 0

1/4*(k+20)-30 = 0

1/4*k-25 = 0

1/4*k-25 = 0

1/4*k-25 = 0 // + 25

1/4*k = 25 // : 1/4

k = 25/1/4

k = 100

k = 100

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