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4(5x-2)=52 x=?

 Sep 6, 2015
 #1
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4(5x-2)=52 x=?

 

What is the=sign to the left of 52 mean? Did you make a mistake in writing it. Check your book carefully.

 Sep 6, 2015
 #2
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4(5x-2)=52 x=?

20x -8=52, we move 8 to the right and we change its sign from - to +

20x=52 +8

20x=60, we divide both sides by 20 and we get:

x=60/20

x=3

 Sep 6, 2015

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