1/2z+2=7

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


z in (-oo:+oo)

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

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

1/2*z-5 = 0 // + 5

1/2*z = 5 // : 1/2

z = 5/1/2

z = 10

z = 10

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