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Mathematics 15 Online
OpenStudy (anonymous):

simplify. (a - 3b +5) - (-a + 2b + 3)

OpenStudy (anonymous):

Do you understand how to distribute ?

OpenStudy (anonymous):

so it (a-3b+5)+a-2b-3 because of the distribution of minus sign. for the next step add and subtract the similar ones

OpenStudy (anonymous):

you can think of it like this. \[\huge (a-3b+5)+(-1)(-a+2b+3)\] Then you would need to multiply that (-1) by everything inside the other parenthesis.

OpenStudy (anonymous):

would it be 2a-5b+6

jimthompson5910 (jim_thompson5910):

how did you get +6 at the end?

OpenStudy (anonymous):

it will be 2 at the end

jimthompson5910 (jim_thompson5910):

good, so it's 2a-5b+2

OpenStudy (anonymous):

yes

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