Answer:
Explanation:
3x-5+4x+10=180
7x+5=180
-5 -5
7/(7x)=(175)/7
x=25
BEC= 3x-5
BEC= 3(25)-5
BEC= 75-5
BEC= 70
ABE= 180- (x-5)
ABE= 180 - (25-5)
ABE= 180 - 20
ABE= 160
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