Q: Why is 2b plus b equal to 8?

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b + a + b - a = 2b

2s-2b= a+b+c-2b simplified that would be a+c-b.

2B Multiplied by 3 plus B = 7B. Here is how it's worked out. You start with 2B, multiply that by 3 and you get 6B. Now all you have to do is add the last B, therefore adding 1B to equal 7B.

What is the answers to -7 ( a + b - 5 ) + 8 ( -3a +2b ) + b ( 7 + 3 )

a+a+a+a+b+b - add the like terms =4a+2b 4a and 2b cannot be added because they are not like terms.

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b + a + b - a = 2b

2b

If a = 2b

2s-2b= a+b+c-2b simplified that would be a+c-b.

a-b+a-b+2b+a = 4a

=2b

-b+5b-2b=2b

2B Multiplied by 3 plus B = 7B. Here is how it's worked out. You start with 2B, multiply that by 3 and you get 6B. Now all you have to do is add the last B, therefore adding 1B to equal 7B.

-2b+8-4b = -5-11b+7 -2b-4b+11b = -5+7-8 5b = -6 b = -6/5

3a + 2b is an expression in algebra. If you make 3a + 2b equal to something then you can find the values of "a" and "b" Lets say you make 3a + 2b equal to 23 3a + 2b = 23 Now find "a" and "b" to make this equation true... 3(5) + 2(4) = 23 15 + 8 = 23 23 = 23 Correct So in this case a=5 and b=4

What is the answers to -7 ( a + b - 5 ) + 8 ( -3a +2b ) + b ( 7 + 3 )

It is: b -8 when simplified