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The sum of triple a number and 6 is 9

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We have an equation: 3*?+ 6= 9
⇒ 3*?= 9-6
⇒ 3*?= 3
⇒ ?= 3/3
⇒ ?= 1

The number is 1~
User Csuwldcat
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5 votes
3x+6=9
Triple a number (3x) + 6
subtract 6 from both sides
3x=3
Divide by 3 on both sides
X=1
User IJK
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