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01-04-2015
Mathematics

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[tex]7z-1/2=3z-2 [/tex]

Respuesta :

01-04-2015

7z - 1/2 = 3z - 2

Subtract 3z to both sides:

4z - 1/2 = -2

Add 1/2 to both sides:

4z = -1 1/2

Divide 4 to both sides:

z = -0.375 or -3/8

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