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.