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murzikaleks [220]
2 years ago
8

B 6x+7 3x+c 2x-1 What is the value of c in degrees

Mathematics
1 answer:
andreev551 [17]2 years ago
3 0

Answer:

1.x=15

2.<A=29

Step-by-step explanation:

(2x-1)+(3x+9)+(6x+7)=180

2x-1+3x+9+6x+7=180

11x+15=180

11x=180-15

11x=165

x=165/11

x=15

2.<A=2x-1

  <A=2*15-1

  <A=30-1

  <A=29

   

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