3x-y=2
2x+y=8
5x=10
x=2
6-y=2
y=4
3 x - y = 2
2 x + y = 8
................
3 x - 2 = y
2 x + (3x - 2) = 8
..................
3 x - 2 =y
2x +3 x - 2 = 8
y = 3 x - 2
5 x =10
x = 2
...................
y = 3* 2 - 2
...............
y = 4
spr. 2 * 2 + 4 =8
3 *2 - 4 = 2
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3x-y=2
2x+y=8
5x=10
x=2
6-y=2
y=4
x=2
y=4
3 x - y = 2
2 x + y = 8
................
3 x - 2 = y
2 x + (3x - 2) = 8
..................
3 x - 2 =y
2x +3 x - 2 = 8
..................
y = 3 x - 2
5 x =10
................
y = 3 x - 2
x = 2
...................
y = 3* 2 - 2
x = 2
...............
y = 4
x = 2
spr. 2 * 2 + 4 =8
3 *2 - 4 = 2