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3x-y=-10
x+2y-6=0
3x – y = -10
x + 2y – 6 =0
3x – y = -10 /*2
x + 2y = 6
6x –2 y = -20
----------------------
7x = - 14 /:7
x = -2
3*(-2) – y = -10
-y = -10 + 6
-y = - 4 / * (-1)
y = 4
3x-y=-10/*2
6x-2y=-20
x+2y=6
6x+x=-20+6
7x=-14/:7
x=-2
-2+2y=6
2y=6+2
2y=8/:2
y=4
x= -2
y= 4
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3x – y = -10
x + 2y – 6 =0
3x – y = -10 /*2
x + 2y = 6
6x –2 y = -20
x + 2y = 6
----------------------
7x = - 14 /:7
x = -2
3*(-2) – y = -10
-y = -10 + 6
-y = - 4 / * (-1)
y = 4
x = -2
y = 4
3x-y=-10/*2
x+2y-6=0
6x-2y=-20
x+2y=6
6x+x=-20+6
7x=-14/:7
x=-2
x+2y=6
-2+2y=6
2y=6+2
2y=8/:2
y=4
x= -2
y= 4