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Sagot :
Answer: 12x - 8y
Explanation:
Focus on the x terms for now. We have 10x and 2x. Saying 10x+2x is like saying "10 boxes + 2 boxes = 12 boxes". We can replace "boxes" with "x" to say 10x+2x = 12x
The y terms are a similar story, and -5y-3y = -8y. It might help to set up a number line to see why -5-3 turns into -8.
Answer:
12x - 8y
Step-by-step explanation:
=> 10x - 5y + 2x - 3y
=> (10x + 2x) + (-5y - 3y)
=> 12x + (-8y)
=> 12x - 8y
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