Q: Evaluate 3a plus 4b - c if a equals 2 and b equals 3 and c equals 5?

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6b+5a-4b+3a= ? Rearrange it as 5a+3a+6b-4b = 8a+2b

5a + 4b - 3a =(5a - 3a) + 4b =2a + 4b =2 (a + 2b)

2a + 4b

1a+3b 2a+4b=3a +7b

2a + 4b - 52a + 4b - 52a + 4b - 52a + 4b - 5

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6b+5a-4b+3a= ? Rearrange it as 5a+3a+6b-4b = 8a+2b

5a + 4b - 3a =(5a - 3a) + 4b =2a + 4b =2 (a + 2b)

2a + 4b

1a+3b 2a+4b=3a +7b

Change the order to make it more obvious: 3a - a + 2b + 4b 2a + 6b or 2 (a + 3b).

2a + 4b - 52a + 4b - 52a + 4b - 52a + 4b - 5

Numerically, if the question looks like this:--(3a + 7b) - 8a - 4b + 2Then the answer is this:--3a - 7b - 8a - 4b + 2= -11a -11b + 2

3a + 4b - (-6a) - 3b? There is no equivalent because you did not make it an equality. However you could combine the numbers... 3a + 4b +6a -3b = 9a + 1b

9a + 7b *remember to look and understand the letters!*

3a + 5b - 6a - 9b = -3a - 4b

3a + 4b - 5 - 1a + 7b + 3 - 1b 2a + 10b - 5 + 3 2a + 10b - 2

36 -20 = 16