find the value x.math answer
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Answered by
0
Answer:
x=20
Step-by-step explanation:
5x+4x=180
9x=180
x=20
Answered by
1
Answer:
5x+4x=9x
9x=180°
x=180°/9=20
x=20
5x=100
4x=80
please make me branliest answer
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