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what is 5x+7=42

 Sep 26, 2014

Best Answer 

 #1
avatar+1006 
+5

5x + 7 = 42

 

The goal here is to isolate the 'x'. First, subtract 7 from both sides.

 

5x + 7 - 7 = 42 - 7

5x = 35

 

Divide by 5

 

5x/5 = 35/5

x = 7

 

The answer is 7.

 Sep 26, 2014
 #1
avatar+1006 
+5
Best Answer

5x + 7 = 42

 

The goal here is to isolate the 'x'. First, subtract 7 from both sides.

 

5x + 7 - 7 = 42 - 7

5x = 35

 

Divide by 5

 

5x/5 = 35/5

x = 7

 

The answer is 7.

GoldenLeaf Sep 26, 2014

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