Question 186359
3x-5y=-9
-5y=-3x-9
y=-3x/-5-9/-5
y=3x/5+9/5 ans. (red line)
slope=3/5 & y intercept=9/5
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5x-6y=-8
-6y=-5x=-8
y=-5x/-6-8/-6
y=5x/6+4/3 (green line)
slope=5/6 & y intercept=4/3
{{{ graph( 300, 200, -6, 5, -5, 5, 3x/5 +9/5, 5x/6 +4/3) }}} (graph 300x200 pixels, x from -6 to 5, y from -5 to 5, of TWO functions 3x/5 +9/5 and 5x/6 +4/3). 
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I'll leave the last 2 for you to practice with.
4x+5y=-2
4y-x=11