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Step-by-step explanation:
Answer:58 (The sequence of numbers increases by increments of eight)
We know that:

Then:

Therefore:

Simplifying the above result we get:

Answer:
Answer:
x=5, y=8
Step-by-step explanation:
x+y=13
2x-y=2
add these two equations
3x=15
therefore x=5
apply this value in x+y=13
5+y=13
then y=13-5 = 8