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17 votes
Find out x and y. y = 2x。 x = 2y - 9​

User Alex Suo
by
5.5k points

1 Answer

9 votes

Answer:

x = 3

y = 6

Explanation:

y = 2x

x = 2y - 9

=> x = 2(2x) - 9

=> x = 4x - 9

=> 9 = 4x - x

=> 9 = 3x

=> 3x = 9

=> x = 9/3

=> x = 3

y = 2x

=> y = 2(3)

=> y = 6

User Wilhem
by
7.2k points
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