Answer: x=75
Explanation:
x+10+x+20=180
combine like terms
2x+30=180
subtract 30 from each side
2x=150
divide each side by 2
x=75
Answer:
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Step-by-step explanation:kk
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Answer:
Step-by-step explanation:
Find the are by multiplying all of the sides together, and you wil get your answer.