Eighteen is fifteen less than the product of a number and three .Find the number
1 answer:
Answer:
x = 11
Explanation:
(x · 3 - 15) = 18
[ Step 1: Simplify both sides of the equation ]
x(3) − 15 = 18
3x + −15 = 18
3x − 15 = 18
[ Step 2: Add 15 to both sides ]
3x − 15 + 15 = 18 + 15
3x = 33
[ Step 3: Divide both sides by 3 ]
3x / 3 = 33 / 3
x = 11
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