Question 644693
{{{2x-y=4}}}  ........1    
{{{5x-2y=11}}}  ........2
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{{{2x-y=4}}}  ........1 ...solve for {{{y}}}

{{{2x-4=y}}}....substitute in 2

{{{5x-2(2x-4)=11}}}  ..........solve for {{{x}}}


{{{5x-4x+8=11}}}

{{{x+8=11}}}

{{{x=11-8}}}

{{{highlight(x=3)}}}

now find {{{y}}}

{{{2x-4=y}}}

{{{2*3-4=y}}}

{{{6-4=y}}}

{{{highlight(2=y)}}}