mariahelie345
mariahelie345
01-04-2015
Mathematics
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[tex]7z-1/2=3z-2 [/tex]
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iGreen
iGreen
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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