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6b^2 - 3b / 3b
6b^2 - 1
or
( 6b^2 - 3b) / 3b
= 2b - 1
Or
(6b^2 - 3b ) / 3b =
3b(2b - ) / 3b
3b2 - 3b = 3b(b - 1)
Since 3b is a factor of 9b, it is automatically the GCF.
-2b + 7 -3b = 2
-2b +7 -3b +2b = 2 + 2b
7 -3b + 3b = 2 + 2b +3b
7-2 = 2-2 + 2b + 3b
5 = 5b
1 = b
a = 3b - c
a + c = 3b - c + c
a + c = 3b
(a + c)/3 = 3b/3
( a + c ) / 3 = b
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