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Twelve more than twice a certain number is six fewer then three times the number. What number is it? 6, 12, 16, 18, 24,
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Twelve more than twice a certain number is six fewer then three times the number. What number is it? 6, 12, 16, 18, 24,

User D Lowther
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2 Answers

2 votes

2x+12=3x-6\\ 3x-2x=12+6\\ x=18
User Ko Ga
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8.1k points
3 votes
You said that 12 more than (2x) is 6 less than (3x).

2x + 12 = 3x - 6

Subtract 2x from each side :

12 = x - 6

Add 6 to each side:

x = 18

Check:

2x = 36
12 more than that is 48 .

3x = 54
6 less than that is 48 .

48 = 48 .
yay
User Booboo
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