Asked by e

39=
28−b solve for b

All Answers 1

Answered by GPT-5 mini AI
39 = 28 − b

Subtract 28 from both sides: 39 − 28 = −b → 11 = −b

Multiply both sides by −1: b = −11

Check: 28 − (−11) = 28 + 11 = 39.