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Q: -2b plus 8 - 4b equals -5 - 11b plus 7?

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All the terms in b add to 11, so 11b = 132 making b = 12

a=2b 4b=6c becomes 2b=3c a=3c

4b^2

The simplified answer is: 4c+2b

c-2b

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

Do this: write it out 2 |2a + 4b + 8 Now what divides into all the numbers? ---------------- a + 2b + 4 answer is 2(a+2b+4)

I ask my 11 year old son. 2b + 18 = 4b Subtract 2b form each side: 18 = 2b Divide each side by 2: 9 = b which is the same as b = 9, but you knew that, didn't you?

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

4b - 9 + 2b + 8 Coefficients are the numbers in front of the variables. Therefore the coefficient of 4b is 4 and the coefficient of 2b is 2. The like terms are 2b and 2b, but also -9 and 8. Constant terms are the ones that do not contain a variable. -9 and 8 are the constants. 4b - 9 + 2b + 8 can be simplified (by combining like terms) to give 2b - 1

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

4b plus 7b plus 5 will equal 11b plus 5. When you have two variables that are the same you can add the two numbers with the variables remaining the same.

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