Answer:
3/2
Explanation:
When you rearrange the equation into y=mx+b, you get y=-2/3x-15
The slope of the given line is -2/3 and you have to take the opposite reciprocal so flip the fraction and change the sign.
This gives the slope 3/2
the slope of the equation is -2/3 so the other slope must be opposite reciprocal
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