Both and tell why pls……..

4) A

5) E

Step-by-step explanation:

#4

Cross multiply the equation and you get:

Since  is the same thing as , you can change the equation into

Cancel out the y on the top and bottom and you get 1/10

#5

, simplify and you get so x=15

is equal to after you plug in x, and that is equal to 9

21

step-by-step explanation:

for the free

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