11-09-2015
Mathematics

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Solve For 3x-18=42 (please & thank you)

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emilyburch13 emilyburch13

11-09-2015

3x-18=42
-18=-18
3x= 24
/3. /3
x=8

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unknown15 unknown15

11-09-2015

X=20

42+18=60
60-18=42

X= 60 divide by 3

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