Question 905368
Multiply the first equation by {{{4}}} and the second by {{{5}}} and add them to eliminate {{{y}}}.
{{{12x+20y+10x-20y=32+35}}}
{{{22x=67}}}
{{{x=67/22}}}
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Then use either equation to solve for {{{y}}}
{{{3(67/22)+5y=8}}}
{{{201/22+5y=176/22}}}
{{{5y=(176-201)/22}}}
{{{5y=-25/22}}}
{{{y=-5/22}}}