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Elimination equations using adding

100

     3(5) - y = 12

+   2(5) + y = 13

x= 5

y=3

200

     5(3) + 3y =12

+   2(3) - 3y = 9

x= 3

y= -1

300

    -3x + 12y = -15

+   3x + 2y = 29

x= 9

y=1

400

   2x + 3y = 15

+  x - 3y =  3

x= 6

y=1

500

   -2x + 3y = -1

+  2x + 5y = 25

x = 3.5

y = 3

Elimination equations using subtracting

100

1(1) - 1y = -6

1(1) + 1y = 8 

x=1

y=7

200

   2(2) + y = 12

- -3(2) + y = 2

x= 2

y= 8

300

   4x + 2y = 14

-  5x + 2y = 16

x = 2

y= 3

400

     3x + 4y = -6

 -   3x - y = 9  

x = 3

y = -3

500

   2x + 4y = -24

-  -x + 4y = 6

X= -10

Y= -1

other

100

where dose Mila live?

Broolyn

200

what pet dose mila have?

A dog

300

Where dose Mila live in Brookyn 

Park slope

400

Did Mila live somwhere else and if so where 

Yes and I lived in London 

500

what is the name of my two dogs

Baxter and Hoxby