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Mathematics 8 Online
OpenStudy (anonymous):

13=5+3b-13

OpenStudy (anonymous):

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OpenStudy (anonymous):

you want 3b by itself so move everything else to the other side by subtraction or addition, then divide both sides by 3 to have b by itself

OpenStudy (anonymous):

Thanks!

OpenStudy (anonymous):

what is 3b=42

OpenStudy (anonymous):

3b=21, divide both sides by 3 b=7

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