Identify and list the like terms in the following groups of terms.a 20x , 8y , − 15y , y , − 12x , 3xb 5x , 3_7 x , 5_7 y , − 25x , 6y , x_7c 4xy , − yx ,
Question
Identify and list the like terms in the following groups of terms.a 20x , 8y , − 15y , y , − 12x , 3xb 5x , 3_7 x , 5_7 y , − 25x , 6y , x_7c 4xy , − yx ,
Solution
a) The like terms are: 20x, -12x, 3x (these are like terms because they all have the variable 'x') and 8y, -15y, y (these are like terms because they all have the variable 'y')
b) The like terms are: 5x, -25x (these are like terms because they both have the variable 'x') and 5/7y, 6y (these are like terms because they both have the variable 'y')
c) The like terms are: 4xy, -yx (these are like terms because they both have the variables 'x' and 'y')
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