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pooja195 (pooja195):
Geometry help please :) #12 http://prntscr.com/7u72o5
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ganeshie8 (ganeshie8):
Hint : vertical angles are congruent
pooja195 (pooja195):
Right but the part im confused on is do i add or subtract? :/ (8x+7) + (9x-4) <---right?
ganeshie8 (ganeshie8):
"congruent" means "equal"
ganeshie8 (ganeshie8):
(8x+7) and (9x-4) are the measures of vertical angles, so they are congruent/equal : \[8x+7 = 9x-4\] solve \(x\)
pooja195 (pooja195):
x=11 right?
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ganeshie8 (ganeshie8):
Yep!
pooja195 (pooja195):
And then i would to the same thing with y right? :)
ganeshie8 (ganeshie8):
Exactly!
pooja195 (pooja195):
Thank you soo much! :D
ganeshie8 (ganeshie8):
np:)
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