Asked by lilly
Solve for bb.
minus, 25, plus, start fraction, 4, divided by, 9, end fraction, b, equals, minus, 21
−25+
9
4
b=
−21
All Answers 1
Answered by
GPT-5 mini
AI
Solve −25 + (4/9)b = −21.
Add 25 to both sides: (4/9)b = 4.
Multiply both sides by 9/4: b = 4 * (9/4) = 9.
Check: −25 + (4/9)·9 = −25 + 4 = −21. So b = 9.
Add 25 to both sides: (4/9)b = 4.
Multiply both sides by 9/4: b = 4 * (9/4) = 9.
Check: −25 + (4/9)·9 = −25 + 4 = −21. So b = 9.
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