SOLUTION: 79 x 20 = (80 x 20) - (n x 20)
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Question 672533: 79 x 20 = (80 x 20) - (n x 20)
Found 2 solutions by ReadingBoosters, MathLover1:
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!
1580 = 1600 - 20n
...
1580 - 1600 = -20n
...
-20 = -20n
...
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-Reading Boosters
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Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
in the future, please use * as multiplication sign
...here you can disregard parenthesis
......each term is a product of and
something else; so, we can divide both sides by to simplify
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