a+b=180° and (3a-b)=80° then find a and b
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lakshmish1001:
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given a+b=180...as eq.1
3a-(+b)=80
a=60+b
then,fill value of a in eq.1
60+b+b=180
2b=120...b=60
fill value of b in 1
a+60=180
a=120...
then a=120 and b= 60
mark it brainliest....
3a-(+b)=80
a=60+b
then,fill value of a in eq.1
60+b+b=180
2b=120...b=60
fill value of b in 1
a+60=180
a=120...
then a=120 and b= 60
mark it brainliest....
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