A few days ago
How do you combine like terms?
Can you give me an example and explain how you done it? please and thanks!
Top 2 Answers
A few days ago
Favorite Answer
you add or subtract all the terms that have the exact same variable.
examples
1) 3n + 4n = 7n
2) 5n + 8 – 2n = 3n + 8, you would subtract only the n’s and leave the 8 alone.
3) 6r + 4s + 7rs, here there is nothing to combine because no variables are exactly the same.
*when you have subtraction it is best to change it to plus the opposite, the rule for subtracting integers.
2
A few days ago
x + 2y – 4x – 7y + 8n +2n – 3y + 7x
= x – 4x + 7x +
2y – 7y – 3y +
8n + 2n
= 10x – 9y + 12n
0
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