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

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

## complete solutions

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x x y = 3 xx ---------- xxx

2x x xx x xx xxxxxxxxxxx xx xxx

xxxx xxx x xxx x 3 - y xx

substitute x x 3 - y in xxx

xx 2(3 - xx + 5y = 12

xx 6 x 2y x 5y x 12 , open xxxxxxxxxxx

xx xx = xx - 6 xxx xxxxxxxxx xx & x 2y xxx subtract 6 xxxx xxxx sides

xx xxxx = 6

xx x x xxx x 2

x = x x x = x x 2 x 1

xxxxxx x = 1 , x = xxx

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## 100% Correct solution

body preview (42 words)

x + Y = 3

xx + 5Y x 12

xx

xxxxxxxxxxxxxx + Y x xxxxx 5X+5Y=15------

----------------------------(2X x xx = 12)x(-1)= -2X-5Y=-12-----

xx

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

xx

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

xx

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

** **

X x Y = x

x x Y x 3------

----------------------------Y=2----------------------------------------