Question 1175106
x, Julianne
y, Jolo
{{{system(y+5=2(x+5),y-5=4(x-5))}}}


{{{-10=4(x-5)-2(x+5)}}}
{{{-10=4x-40-(2x-10)}}}
{{{-10=4x-40-2x+10}}}
{{{-10+40-10=2x}}}
{{{20=2x}}}
{{{highlight(x=10)}}}

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