If two angles are obtuse, then they must be congruent?

true or false???

If two angles are supplementary, then they must form a straight angle.  If two angles are obtuse, then they can be vertical angles.  If two angles are vertical angles, then they will always be congruent.

Step-by-step explanation:

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

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