Question 489284
The sum of two numbers is 8. One number is 3 times the other. Find the answer.
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Equations:
x + y = 8
x = 3y
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Substitute for "x" and solve for "y":
3y + y = 8
4y = 8
y = 2
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Solve for "x":
x = 3y
x = 3*2
x = 6
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Cheers,
Stan H.