# x + y = 3 2x + 5y = 12

x + y = 3 2x + 5y = 12

## complete solutions

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x x x = 3 ---------- xxx

2x + xx = xx xxxxxxxxx xxx

from (1) x x = 3 x y

xxxxxxxxxx x = 3 x x xx xxx

xxx - y) x 5y x xx

x x 2y x 5y x 12 , xxxx xxxxxxxxxxx

3y x xx - x , combine 5y & - 2y and subtract x xxxx both xxxxx

xx x 6

x x 6/3 x x

x = 3 - y = x - 2 x x

xxxxxx x x x , y x 2

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## 100% Correct solution

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X + Y = 3

xx + 5Y x 12

xxxxxxxxxxxxxx + x x 3)x5= 5X+5Y=15------

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx x xx = 12)x(-1)= xxxxxxxxxxxxxxx

-------------------------------5X+5Y=15-----

---------------------------------------+(-2X-5Y=-12)------

------------------------------------------3X=3 xxxxxx

**xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx**X=1**----------------------------------------------------**

** **

x + Y = x

1 + Y x 3------

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx