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Mathematics 20 Online
OpenStudy (anonymous):

what is 5=3b-13=13

OpenStudy (precal):

why 2 equal signs? Did you type the problem correct?

OpenStudy (anonymous):

b = 7

OpenStudy (anonymous):

5+3b-13=13 sorry

OpenStudy (anonymous):

b = 7

OpenStudy (precal):

-8+3b=13 3b=21 b=21/3

OpenStudy (anonymous):

how did you get that

OpenStudy (precal):

5-13 is -8 (combining like terms) move -8 over to the right side by adding a (+8) move 3 over to the right side by dividing 3

OpenStudy (anonymous):

5 + 3b - 13 = 13 +13 +13 5 + 3b = 26 -5 -5 3b = 21 /3 /3 b = 7

OpenStudy (anonymous):

so you add 5 and negative 13

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