What is x and y
x = 2y
2x + 5y = 9

if you are given with X = 2y than

2x + 5y = 9

2(2y) + 5y = 9

4y + 5y = 9

9y = 9

y = 9/9

y = 1

putting the value of y in 1st equation so

X = 2y

X = 2(1)

X = 2

true

step-by-step explanation:

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