X + 2 X + 120 degree find the value of x
Answers
Answered by
2
Answer:
x=-4
Step-by-step explanation:
x+2x+120=0. 3x=-120. x=-4
Answered by
4
Step-by-step explanation:
x+2x+120=0
x+x=-120÷2
2x=60
x=60÷2
x=30
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