3(7k+4)=75

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Solution for 3(7k+4)=75 equation: 


k in (-oo:+oo)

3*(7*k+4) = 75 // - 75

3*(7*k+4)-75 = 0

3*(7*k+4)-75 = 0

21*k-63 = 0

21*k-63 = 0

21*k-63 = 0 // + 63

21*k = 63 // : 21

k = 63/21

k = 3

k = 3

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