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PLZZZZZZZ HELP Solve for x

A 80
B 9
C 11
D 180​

PLZZZZZZZ HELP Solve for x A 80 B 9 C 11 D 180​-example-1
User Bandara
by
4.7k points

1 Answer

1 vote
Supplementary angles are shown here.
180 - 80 = 100
11x + 1 = 100
subtract the 1 from both sides to get
11x = 99
divide both sides by 11
x = 9
User Pppery
by
4.7k points