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The GCF is 1.
GCF(7, 4b) = 1
5b = 21 + 4b 5b - 4b = 21 + 4b - 4b b = 21
2a-6a-a=b+4b-4b -5a=5b-4b -5a=1b a=-5 b=1
The expression 18 plus 6 plus 4b simplifies to 24 + 4b.
4b-15 = -11
13 - 4b
The GCF is 7.
It is one
It is 7
It is: 7
1
The gcf is 7, and the LCM is 770 !