Answer:
x=4
y=3
Step-by-step explanation:
the answer is 3:4
21 - 17 = 4
or
13 - 9 = 4
so x = 4
-15 - -18 = 3 (negative minus a negative equals a positive)
-21 - -24 = 3
so y = 3
<u>y</u> = <u>3</u>
x 4
or 3:4
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