alostfreshman
alostfreshman
26-08-2016
Mathematics
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12=10-2 (3z-4) please hellp please
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Roy75
Roy75
26-08-2016
12=10-2(3z-4)
12=10-6z+8
12=-6z+18
12-18=-6z
-6=-6z
z=1
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dalendrk
dalendrk
26-08-2016
12 = 10 - 2(3z - 4) |use distributive property: a(b - c) = ab - ac
12 = 10 - 6z + 8
12 = 18 - 6z |subtract 18 from both sides
-6 = -6z |divide both sides by (-6)
z = 1
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