Hi,

9x + 4y = 104 

 x - 5y = 17        |Multiplying 2nd EQ by 9 and subtracting from the 1st EQ to eliminate x

    49y = -49

        y = -1  and x = 12      

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Solve by the addition method

7x-4y=-3
  x+2y=5



#24
x-y=3... (answered by checkley75)

solve by the addition method.

x-4y=17
5x-4y=21

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Solve the system by addition
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	 x – 4y = 19
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x+y+z=1, 3x+5y+6z=4, 9x+2y-36z=17 solve the equations by Cramer's rule                     (answered by Edwin McCravy)

Solve the system by addition

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The Addition Method
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-6x +6y =17
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Solve the system by the addition method.
x+y=-1... (answered by MathLover1)

Solve the following two equations by addition method. 

3x + 5y = -12 
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 (answered by rfer)

Solve the system by addition.	5x – 3y = 5	 x – 5y = 1


Solve the system by addition.... (answered by jim_thompson5910)