+10
1 year ago
Mathematics
High School
Answer:
Step-by-step explanation:
(2x-30) + 40 + (x+20)=180
=3x+30=180
=3x=150
=x=50
B=70
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Answer:
Step-by-step explanation:
(2x-30) + 40 + (x+20)=180
=3x+30=180
=3x=150
=x=50
B=70