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The angles are supplementary. Write and solve an equation to find the value of x.

40°

User GarryOne
by
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1 Answer

4 votes

Answer:

x+40 = 180

x = 140

Explanation:

Supplementary angles add to 180

x+40 = 180

Subtract 40 from each side

x+40-40 =180-40

x = 140

User Eitan T
by
6.2k points