24-08-2017
Mathematics

contestada

What is 4(3z-2)= 9z-7

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julieedjensen julieedjensen

24-08-2017

4*3z-4*2 = 9z-7
12z-8 = 9z-7
12z-9z = -7+8
3z = 1
z = 1/3

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