SOLUTION: Insert parentheses to make the expression equal 20 7+3x3-1+7

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Question 985394: Insert parentheses to make the expression equal 20 7+3x3-1+7
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
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20=7+(3*(3-1))+7
20=7+(3*2)+7
20=7+6+7
20=20