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x+2y=10
4x=16
x=4
x+2y=10
2y=10-x
2y=10-4
2y=6
y=3
y=3
x=4
x+2y=10
4x=16|:4
x=4
3*4-2y=6
12-3y=6
-3y=-6|:(-3)
y=2
x=4
y=2
x+2y=10
4x = 16 \ :4
x = 4
2y = 10 - 4
2y = 6 \ :2
y = 3
spr.
3 × 4 - 2 × 3 = 12 - 6 = 6
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