Algebra practice question

Answer: 7

Substitute: x + (x + 3) = 11, so 2x = 8 and x = 4. Then y = 4 + 3 = 7.

Common wrong answers

If you answered 4

4 is x; the question asks for y = x + 3 = 7.

If you answered 8

8 is 2x in the combined equation; divide by 2 for x, then add 3.

If you answered 11

11 is the sum x + y, not y alone.

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