Question

plz complete this..............
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Answer 1

Given that,

• a - b = 80 .......1
• so, a + b = 180 .......2 ( linear pair)
• adding equation 1 and 2
• we get
• a - b + a + b = 80 + 180
• 2a = 260
• a = 260 / 2
• a= 130
• Now, put the value of a = 130 in equation 1
• we get
• 130 - b = 80
• - b = 80 - 130
• - b = - 50
• b = 50

hence , a = 130 and b = 50.....

Answer 2

Option A is correct answer

Pls mark as brainliest answer