Question

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Answer 1

Answer:

x=42

Step-by-step explanation:

(3x-10)+(2x-20)=180........( linear pair)

3x+2x=180+10+20

5x=210

x=42

Answer 2

Step-by-step explanation:

the sum of two angles is 180°

3x-10°+2x-20°=180

5x-30=180

3x=180+30

x=210/5

x=42

first angle is 3*x -10

3*42-10

126-10

116is the first angle

second angle is 2*x-20

2*42-20

84-20

64 is the second angle

check

3*x -10 +2*x -20=180

116+64=180

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