Answer:
Step-by-step explanation:
7) if x = 75
x+y=180
75+y=180
y=180-75
∴y=105
8) if y=110
x+110=180
x=180-110
∴x=70
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Answer:
Step-by-step explanation:
7) if x = 75
x+y=180
75+y=180
y=180-75
∴y=105
8) if y=110
x+y=180
x+110=180
x=180-110
∴x=70