Question

If 3b + 9 = 12 then what does b = ??

Answer 1

Solution....

3b + 9 = 12

3b = 12-9

3b = 3

$b = \frac{3}{3} \\ \\ b = 1...... \: is \: the \: required \: answer \: of \: your \: question.$

Answer 2

Your Answer:

=>3b + 9 = 12

(shifting the 9 on the other side..sign changes)

=>3b = 12 - 9

=>3b = 3

(bringing the 3 on the other side...divided)

=>b = 3/3

=>b = 1

Therefore, the Answer:
b is 1.

Hope this helps uh..
Mark Brainliest ♡♡