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29-04-2020
Mathematics

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Angles 7th grade include explanation if possible please

Angles 7th grade include explanation if possible please class=

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dlrow11 dlrow11

29-04-2020

Answer:

Step-by-step 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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