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0,01ab × 100a = a²b
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Между 5 и 6
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4(x-7)-8y=4y-44 4x-28-8y=4y-44 4x-8y-4y=-44+28
8x=3(y-8)+55 8x=3y-24+55 8x-3y=55-24
4x-12y=-16//*(-2)↓+ 4x-12y=-16 4x-12y=-16
8x-3y=31 -8x+8x+24y-3y=32+31 21y=63
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x=3y-4 x=9-4=5
</span><span>y=3 y=3</span>