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Mathematics 9 Online
OpenStudy (anonymous):

Can someone please explain how solve this question? It'll be in the next post...

OpenStudy (anonymous):

OpenStudy (aripotta):

ABCD is congruent to QRST, that would mean that angle A and angle Q are congruent. so...x - 10 = 2x - 30

OpenStudy (aripotta):

so now you can solve for x, then substitute that into x - 10

OpenStudy (anonymous):

Ohh..I was wondering what I needed to put on the otherside of '='; it's just the other equation solving for x (since they're congruent). Thanks!!

OpenStudy (aripotta):

no problem :)

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