Parallelogram ABCD ​ is a rectangle.AC=2y+7BD=3y−4What is the value of y?Enter your answer in the box.

The correct answer is y = 11

because:
2y + 7 = 3y − 4
−y + 7 =−4

Subtract 7 from both sides.
−y + 7 − 7 = − 4 − 7
−y = −11

Divide both sides by -1.
y = 11