Question 196158
 6x+15=3y-6
3y-6=6x+15
3y=6x+21
y=2x+7 slope-intercept form. I think it is the best form for graphing.
Make a table with every value of x from -10 to 10 and calculate what y is and it should look like this.
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Ed
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{{{graph(500,500,-11,11,-10,30,2x+7)}}}