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Angle A is twice the size of Angle B.Their sum is 87 degrees.Find x (2x-1) belongs to angle b

Angle A is twice the size of Angle B.Their sum is 87 degrees.Find x (2x-1) belongs to angle b
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5 votes
Angle A is twice the size of Angle B.Their sum is 87 degrees.Find x

(2x-1) belongs to angle b

User Dwayne Charrington
by
8.2k points

1 Answer

4 votes
a=2b
a+b=87
a=4x-2
a=87-2x+1
4x-2=88-2x
6x=90
x=15
b=29
a=58

User Czarinna
by
8.1k points
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