2 years ago

Please help, and plz don't be saying this is the right answer if u dont know for sure.

Mathematics

1 answer:

zepelin [54]2 years ago

4 0

Answer:

135 degrees

Step-by-step explanation:

(8x-7)+(12x+57)=180

combine like terms

20x+50 = 180

subtract 50 on both sides

20x = 130

divide by 20

x = 130/20

x = 13/2

x = 6.5

cpq = 12x+57

cpq = 78 + 57

cpq = 135

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