Question 258827
I think you mean "and" instead of "or"??
Since they both equal y, set them equal to each other and solve for x.
{{{3x=5x-8}}}
{{{-2x=-8}}}
{{{x=4}}}
Now go back to either equation and solve for y.
{{{y=3x=12}}}
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(x,y)=(4,12)
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{{{drawing( 300, 300, -5, 5, -5, 15,grid( 1 ),circle( 4, 12, .2 ), graph( 300, 300, -5, 5, -5, 15, 3x, 5x-8)) }}}