The value of 9 there is 90 since it is in the tens place.
<span>4x+2y=10
x-y=13
x=13+y
4(13+y)+2y=10
52+4y+2y=10
52+6y=10
6y=-42
y=-7
x=13+y=13-7=6
</span>
We are given

we can use distribute property
Distributive property:

so, we can write it as


now, we can multiply terms
and we get
..............Answer
Answer: the first one is 3y
Step-by-step explanation:
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