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OpenStudy (anonymous):
I JUST NEED THE EQUATION I WILL FAN/ MEDAL ANYONE WHO HELPS! In triangle ABC, the exterior angle at B measures (18x+20). The measures of angle C and A are (5x+4) and (3x+46) respectively. Find x.
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OpenStudy (anonymous):
|dw:1387833295299:dw|
OpenStudy (nikato):
so using that^ u can set up the following equation (3x+46)+(5x+4)+(180-18x+20)=180
OpenStudy (nikato):
wait,*-20
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