1 year ago

The angles below are supplementary. What is the value of x? (5 points)

Mathematics

2 answers:

aniked [119]1 year ago

7 0

4x + 20 + 40 = 180
4x + 60 = 180
4x = 120
x = 30

SpyIntel [72]1 year ago

4 0

Answer:

x = 30

Step-by-step explanation:

Angles on a line equal 180

4x + 20 + 40 = 180

4x + 60 = 180

Minus 60 on both sides.

4x = 120

Divide by 4 on both sides.

x = 30

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