A number, y, is equal to the difference of a larger number and 3. The same number is one-third of the sum of the large number an
d 9. Which equations represent the situation?
2 answers:
Answer:
D.
Step-by-step explanation:
<span>Let the larger number be x.
</span><span>A number, y, is equal to the difference of a larger number and 3.
y = x - 3
x - y = 3
</span>The same number is one-third of the sum of the large number and 9.
y = (1/3)(x + 9)
3y = x + 9
x - 3y = -9
The equations are:
x - y = 3
x - 3y = -9
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