3)

y - 23 = 52.9

Solve for y

Add 23 to both sides

y = 75.9

Answer is the third option

**y - 23 = 52.9; y = 75.9**

4)

c - 12 = 6

Solve for c

Add 12 to both sides

c = 18

Answer is the first option

**c - 12 = 6; c = 18**

5)

h - 234 = 1,192

Add 234 to both sides

h = 1,426

Answer is the second option

**No, he's not correct. He did not add 234 and 1192 to find h, which is 1,426**

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