The difference of two numbers is 18. If the two numbers increase by 4, then one number is 4 times larger than the other. What are those numbers?

1 Answer
CountryGirl ยท komi
Jun 14, 2018

-26 and -8

Explanation:

First equation:
x-y=18

Second equation:
4(x+4)=y+4
y=4x+6

Substitute the second equation into the first one:
x-(4x+6)=18
x=-8

Solve for y:
y=4(-8)+6
y =-26

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