Question 450283


{{{2x+3y=8}}}.....1                                                                       

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

{{{x=y+2}}}.....plug in 1

{{{2(y+2)+3y=8}}}.....1 

{{{2y+4+3y=8}}}

{{{5y+4=8}}}

{{{5y=8-4}}}

{{{5y=4}}}

{{{y=4/5}}}

{{{y=0.8}}}........plug in {{{x=y+2}}}.

{{{x=0.8+2}}}

{{{x=2.8}}}


check:


{{{x-y=2}}}.........2

{{{2.8-0.8=2}}}

{{{2=2}}}