Find the equation of the line that goes through the points (21,32) and has a slope if 1.5
+ The line has a slope if 1.5, so we have y= 1.5x+b
+ and the line that goes through the points (21,32), we have 32= 1.5*21+b
or b= 32- 31.5=0.5
So we have the equation: y=1.5x+0.5
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