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Mathematics
Nguyen
15 February, 22:08
3 (x - 1) - 2x = 9
What does the varible X equal?
+2
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Leslie Burgess
16 February, 00:54
0
3 (x-1) - 2x=9
Distribute the three
3x-3-2x=9
Simplify
x-3=9
Add 3 to both sides
x=12
Check:
3 (12-1) - 2 (12) = 9
3 (11) - 24=9
33-24=9
9=9
There fore x=12
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Macdonald
16 February, 02:02
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The answer looks like it would be 10. Just distribute, add your x's together that you have on the left side, and then add 1 to both sides.
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