-3b = 96 + b
Subtract b from both sides:
-4b = 96
Divide both sides by -4:
b = -24
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-3b=96+b -4b=96 b=-24
-3b=96+b Well, first you could subtract "b" from each side, and then you'd have -4b=96, and then you could divide by 4 on each side and get your answer for "b"
If a + b = 6, what is the value of 3a + 3b?
a = 11 and b = 5.
If you mean 3b+9 = 12 then b equals 1