Answer: y = 11
Explanation:
Our problem: 72y - 126 = 522 + 144
1. Simplify 552 + 144 to 666
72y - 126 = 666
2. Add 126 to both sides
72y = 666 + 126
3. Simplify 666 + 126 to 792
72y = 792
4. Divide both sides by 72
y =
5. Simplify to 11
y = 11
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