Question 169572
y = 2/5x - 7
-(y = 2/5x + 4) SUBTRACT.
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0=0-11 NO SOLUTION.
{{{ graph( 300, 200, -6, 5, -10, 10, 2x/5 -7, 2x/5 +4) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions 2x/5 -7 and 2x/5 +4).