4(4+7k)=128

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Solution for 4(4+7k)=128 equation: 


k in (-oo:+oo)

4*(7*k+4) = 128 // - 128

4*(7*k+4)-128 = 0

4*(7*k+4)-128 = 0

28*k-112 = 0

28*k-112 = 0

28*k-112 = 0 // + 112

28*k = 112 // : 28

k = 112/28

k = 4

k = 4

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