2b+5b=28.

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Solution for 2b+5b=28. equation:



2b+5b=28.
We move all terms to the left:
2b+5b-(28.)=0
We add all the numbers together, and all the variables
2b+5b-28=0
We add all the numbers together, and all the variables
7b-28=0
We move all terms containing b to the left, all other terms to the right
7b=28
b=28/7
b=4

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