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Maths Puzzle
Numerical Ability
Chelsea sold 2 cars for $6,000 each, making 20% on car#1 & losing 20% on car#2. Did he make money, lose money or break even?
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book Other Question
4x+7=3x+18 can you show me the proper way to do this multisteip equation
4x+3x=8x/8x+7=18
-8 -8
7/26=4
9a^2-30ab+b^2