2+1/5z=7

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Solution for 2+1/5z=7 equation: 


z in (-oo:+oo)

(1/5)*z+2 = 7 // - 7

(1/5)*z-7+2 = 0

1/5*z-5 = 0 // + 5

1/5*z = 5 // : 1/5

z = 5/1/5

z = 25

z = 25

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