Answer:
2 or 6
Step-by-step explanation:
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Answer:
4x + (5x+18) = 180-81=99
9x+18=99
9x=99-18=81
x=9
Step-by-step explanation:
Z = 79° (supplementary to 109°) and y = 102° (all angles of a quadrilateral add to 360, so do 360-96-83-79 to get 102°)
Answer:
5x+3=2x+21
Step-by-step explanation:
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