Question 638108

{{{4x+2y=10}}} .....1

{{{x-y=13}}}........2 
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{{{x-y=13}}}.....solve for {{{x}}}

{{{x=y+13}}}...substitute in 1
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{{{4(y+13)+2y=10}}} .....1....solve for {{{y}}}

{{{4y+52+2y=10}}}

{{{6y=10-52}}}

{{{6y=-42}}}

{{{y=-42/6}}}

{{{highlight(y=-7)}}}

{{{x=y+13}}}

{{{x=-7+13}}}

{{{highlight(x=6)}}}