16Hit1600
AlgebraEasy–MediumSolving by elimination

Algebra practice question

If x + 2y = 6 and x − y = 3, what is the value of y?

Answer: 1

Subtract the second equation from the first: 3y = 3, so y = 1.

Common wrong answers

If you answered 3
3 is the constant in the second equation.
If you answered 4
4 is x, not y.
If you answered -1
−1 reverses the subtraction.

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