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What is the solution to the system of equations?

y = 2x – 3.5

x – 2y = –14

 Jan 13, 2020

Best Answer 

 #1
avatar+20254 
+3

 y-2x  = -3.5  

-2y+x = -14     or   x = 2y-14     Use this value of x to sub into first equation

 

y - 2(2y-14) = - 3.5

y - 4y + 28 = - 3.5

-3y = -31.5

y = 10.5                     Substitute this value of y into one of th equations to find x

 

x = 2y-14

x = 2(10.5) -14

x = 7

 

 Jan 13, 2020
 #1
avatar+20254 
+3
Best Answer

 y-2x  = -3.5  

-2y+x = -14     or   x = 2y-14     Use this value of x to sub into first equation

 

y - 2(2y-14) = - 3.5

y - 4y + 28 = - 3.5

-3y = -31.5

y = 10.5                     Substitute this value of y into one of th equations to find x

 

x = 2y-14

x = 2(10.5) -14

x = 7

 

ElectricPavlov Jan 13, 2020

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