The expression "b plus b plus b plus b" can be simplified by combining like terms. Since all the terms are the same (b), we can add them together. Adding b four times is the same as multiplying b by 4. Therefore, "b plus b plus b plus b" equals 4b.
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Oh, isn't that a lovely question! When you add b plus b plus b plus b, you are actually adding 4 "b's" together. So, it's like having 4 beautiful little b's all snuggled up together, creating 4b. Just imagine those b's painting a happy little equation on the canvas of mathematics.
Well honey, if you have b plus b plus b plus b, you're basically adding 4 b's together. So, the answer is 4b. Math can be a piece of cake when you break it down like that!
the answer is a
A.
A=0 b=0 c=0
2a. (a, b and c are all equal.)
2x - 13x + 42 = x +ax + b a + b = 2(x - 6.5x + 21) = 34 = a + b