Mathematics, 23.10.2020 21:10 only1123

Fill in the reason that justifies each step. Angle CDE and Angle EDF are supplementary. angles that form a linear pair are supplementary

m Angle CDE + m Angle EDF = 180 a. ?
x + (4x - 20) = 180 b. ?
5x - 20 = 180 c. ?
5x = 200 d. ?
x = 40 e.?

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Fill in the reason that justifies each step. Angle CDE and Angle EDF are supplementary. angles th...