+0  
 
+1
142
3
avatar+147 

if 3x+7=10-2y what is the value of 6x+4y

 Oct 27, 2018
 #1
avatar+27531 
+2

Add 2y to both sides; subtract 7 from both sides; double each term in the  resulting equation.

 Oct 27, 2018
 #2
avatar+128 
+1

6 is da answer

 Oct 27, 2018
 #3
avatar+3994 
+1

If we add 2y to both sides, we get 3x+2y=10-7, 3x+2y=3. Since we are finding for 6x+4y, double both sides of the equation, so  6.

 Oct 28, 2018

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