(5a - 4b) + (2c - 3b - 6c) + a =5a - 4b + 2c - 3b - 6c + a =(5a + a) + (-4b - 3b) + (2c - 6c) =[ 6a - 7b - 4c ].
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3c-d
6c = 18 Therefore, c = 18/6 c = 3
a=2b 4b=6c becomes 2b=3c a=3c
12a + 6b + 6c = 6(2a + b + c)
(5a - 4b) + (2c - 3b - 6c) + a =5a - 4b + 2c - 3b - 6c + a =(5a + a) + (-4b - 3b) + (2c - 6c) =[ 6a - 7b - 4c ].
0.6b + 3c
C2+6c-9
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6c.
c2+6c+9 = (c+3)(c+3)
13b+6c
i dont really know
The factors of 3a are 3 and a. The factors of 6c are 6 and c. The factors of ab are a and b.
3c-d
It is an equation and the value of c works out as 8