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the following system of equations is shown below. 2x+3y=4 x - y = -3 which of the below is the solution to this system? A) (-13,10) B) (-1,2) C) (1,-2) D) (2,3)

 Mar 16, 2016

Best Answer 

 #1
avatar+26396 
+30

the following system of equations is shown below. 2x+3y=4 x - y = -3 which of the below is the solution to this system? A) (-13,10) B) (-1,2) C) (1,-2) D) (2,3)

 

(1)2x+3y=4|2x3y=42x|:3y=4323x(2)xy=3|(1)x+y=3|+xy=3+x(2)=(1)y=3+x=4323x3+x=4323x|+23x3+x+23x=43|3x+23x=43333x+23x=4333333x+23x=439353x=53|35x=5|:5x=55x=1y=3+xy=31y=2

 

B) (-1,2) is the answer

 

laugh

 Mar 16, 2016
 #1
avatar+26396 
+30
Best Answer

the following system of equations is shown below. 2x+3y=4 x - y = -3 which of the below is the solution to this system? A) (-13,10) B) (-1,2) C) (1,-2) D) (2,3)

 

(1)2x+3y=4|2x3y=42x|:3y=4323x(2)xy=3|(1)x+y=3|+xy=3+x(2)=(1)y=3+x=4323x3+x=4323x|+23x3+x+23x=43|3x+23x=43333x+23x=4333333x+23x=439353x=53|35x=5|:5x=55x=1y=3+xy=31y=2

 

B) (-1,2) is the answer

 

laugh

heureka Mar 16, 2016

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