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If 3x - 3y = 9 and x + y = 5. then x equals...?​
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12 votes
If 3x - 3y = 9 and x + y = 5. then x equals...?​

User Mahade Walid
by
6.2k points

1 Answer

4 votes

Answer: x = 4

Explanation:

x + y = 5

y = 5 - x

3x - 3y = 9

=> 3x - 3(5-x) = 9

=> 3x - 15 + 3x = 9

=> 6x = 24

=> x = 4

User Raj Subbiah
by
6.3k points
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