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Inessa05 [86]
3 years ago
11

Explain why the expression y+y+y and 3y are equivalent?

Mathematics
1 answer:
ale4655 [162]3 years ago
7 0
Each variable that doesn’t have a number in front of it is an invisible 1. Since y, y, and y are like terms because they have the same exponent and variable. Because they are like terms you can add and subtract them. So 1y+1y+1y= 3y
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