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Mathematics 15 Online
OpenStudy (anonymous):

Solve: 2b+4+5b+7= 10 a. -3 b. -1/7 c. 1/7 d. 3

OpenStudy (anonymous):

the answer is b

OpenStudy (diyadiya):

add the terms with same variable

OpenStudy (anonymous):

b=-1/7

OpenStudy (anonymous):

|dw:1336591749147:dw|

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