angles (2x+3y)and (4x+6y) form a linear pair if x-y=20 find the angle
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2 x +3y + 4x + 6y = 180
6x + 9y = 180
2x +3y = 60
also x-y =20
multiply with 2
2x -2y = 40
now subtract
5y = 20
y = 4
x = 24
angles are 2(24)+3(4), 4(24) +6(4)
= 48 +12 , 96 +24
= 60 , 120
6x + 9y = 180
2x +3y = 60
also x-y =20
multiply with 2
2x -2y = 40
now subtract
5y = 20
y = 4
x = 24
angles are 2(24)+3(4), 4(24) +6(4)
= 48 +12 , 96 +24
= 60 , 120
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