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Mathematics 7 Online
OpenStudy (anonymous):

Please help me. I can't remember how to solve these kind of equations. I'm kind of confused. Help would be greatly appreciated! I have posted the problem below. Thank you! (:

OpenStudy (anonymous):

where?

OpenStudy (anonymous):

Right here. Sorry, my computer froze when I was trying to post it.

OpenStudy (anonymous):

it's a linear pair , so angle acb + angle bcd = 180

OpenStudy (anonymous):

substitute N u get it

OpenStudy (anonymous):

No, I'm still confused. :/ I suck at math...

OpenStudy (anonymous):

<ACB + <BCD = 180 (linear pair)

OpenStudy (anonymous):

65 + <BCD = 180 <BCD = 180 - 65 = 115

OpenStudy (anonymous):

Oh, so subtract them?

OpenStudy (anonymous):

I think I get it now! Thank you very much!! :3

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