\left \{ {{4x+5y=23} \atop {4x+8y=32}} \right. \\(4x+5y)-(4x+8y)=23-32\\-3y=-9 => y=3\\x+2y=8 => x+6=8 => x=2" alt="\left \{ {{4x+5y=23} \atop {x+2y=8}} \right. => \left \{ {{4x+5y=23} \atop {4x+8y=32}} \right. \\(4x+5y)-(4x+8y)=23-32\\-3y=-9 => y=3\\x+2y=8 => x+6=8 => x=2" align="absmiddle" class="latex-formula">
\left \{ {{y=}\frac{23-4x}{5} \atop {x+2y=8}} \right. \\x+2*(\frac{23-4x}{5} )=8\\5x+46-8x=40\\-3x=-6\\x=2\\2+2y=8\\2y=6\\y=3" alt="\left \{ {{4x+5y=23} \atop {x+2y=8}} \right. =>\left \{ {{y=}\frac{23-4x}{5} \atop {x+2y=8}} \right. \\x+2*(\frac{23-4x}{5} )=8\\5x+46-8x=40\\-3x=-6\\x=2\\2+2y=8\\2y=6\\y=3" align="absmiddle" class="latex-formula">
Ответ: (2;3)