If x = 6/5 and y = 16/5 satisfy the system 2x + 3y = 12 and 4x + y = 8, what is x + y?

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Multiple Choice

If x = 6/5 and y = 16/5 satisfy the system 2x + 3y = 12 and 4x + y = 8, what is x + y?

Explanation:
Add the two given values: x plus y equals 6/5 plus 16/5, which gives (6+16)/5 = 22/5. Since these x and y satisfy the system, this sum is consistent with the solution you get by solving, but you don’t need to redo the whole solve—just add the fractions. The result is 22/5.

Add the two given values: x plus y equals 6/5 plus 16/5, which gives (6+16)/5 = 22/5. Since these x and y satisfy the system, this sum is consistent with the solution you get by solving, but you don’t need to redo the whole solve—just add the fractions. The result is 22/5.

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