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Can Somebody please help me?

Solve the following system of equations using substitution.

 Feb 2, 2021
 #1
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-3x -2(5x-7) = -12

 

 

-3x -10x +14 = -12

-13x = -26

x = 2

 

Use this value of 'x' in one of the equations to find the corrsponding value of 'y'

 

y = 5x-7

y = 5(2)-7

y = 3

 Feb 2, 2021
 #2
avatar+101 
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What goes with what question

joeman365  Feb 2, 2021
 #3
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Are you kidding?

 

A)  -3x -2(5x-7) = -12

 

 

-3x -10x +14 = -12

-13x = -26

B)   x = 2

 

Use this value of 'x' in one of the equations to find the corrsponding value of 'y'

 

y = 5x-7

y = 5(2)-7

C)  y = 3

 

D)     You HAVE to be able to figure this one out !  laugh

 Feb 2, 2021
 #4
avatar+101 
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is this correct D 2,3

joeman365  Feb 2, 2021

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