Answer:
-7
Step-by-step explanation:
Answer:
x=20
Step-by-step explanation:
2(x+10)=60
distribute 2 by multiplying numbers in parenthesis
2x+20=60
subtract 20 from both sides
2x=40
divide both sides by 2
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x=20
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D)300% because it is an increase so you'd do 240/80=3•100=300
Answer:Marquis Lafayette
Step-by-step explanation:
This shouldn't be in mathematics?