Question

The questions are in the images pls answer all or your answer will be deleted because this is for a lot of points and im losing expert rank to post

Answer 1

1)

x + 2y = 21

+ -x + 3y = 29

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5y = 50

y = 10

x + 2(10) =21

x = 1

2)

6x + 6y = 30

+ 15x - 6y = 12

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21x = 42

x = 2

6(2) + 6y = 30

6y = 18

y = 3