2x-4y=5
8x+8y=10
2x=5+4y
x=2,5+2y
8*(2,5+2y) +8y=10
20+16y+8y=10
24y=-10
y=-0,41
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2x-4y=5
8x+8y=10
2x=5+4y
x=2,5+2y
8x+8y=10
8*(2,5+2y) +8y=10
20+16y+8y=10
24y=-10
y=-0,41
2x-4y=5
8x+8y=10