$2x+7y+3x-4y\\\\\mathrm{Group\:like\:terms}\\=2x+3x+7y-4y\\\\\mathrm{Add\:similar\:elements:}\:2x+3x=5x\\=5x+7y-4y\\\\\mathrm{Add\:similar\:elements:}\:7y-4y=3y\\= 5x+3y$

8 0

3 years ago

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Katherine begins a cruise to Bermuda on a Saturday. If the cruise lasts 18 days, on what day of the week will Katherine return?

Mars2501 [29]

Answer:

Tuesday or Wednesday

Step-by-step explanation:

I looked at a calendar.

4 0

3 years ago

The diameter of a circle is 10 units.<br> What is the radius of the circle?<br> units

Verdich [7]

Answer:

Step-by-step explanation:

radius=diameter/2

5 0

3 years ago

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