3 years ago

132 48 19 21 ... please help!!! doing a quiz it’s timed

Mathematics

2 answers:

Citrus2011 [14]3 years ago

5 0

Answer:

21°

Step-by-step explanation:

set it up

7x-1+3x-9=180

combine like terms

10x-10=180

take the ten to the other side

10x=190

divide both sides by 10

x=19

plug x in

3(10)-9

30-9

(Incase you need it the other angle is 159°)

LiRa [457]3 years ago

3 0

Answer:

Step-by-step explanation:

7x-1+3x-9=180

10x-10=180

190/10

x=19

3*19-9=48

ANSWER:48

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