Write the slope-intercept form of the line through the point (0,-4) and perpendicular to the line y= 3/2 x-5

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Graph the system of equations: $\displaystyle {\left\lbrace\begin{array}{cc} {y}=&\frac{{3}}{{2}}{x}-{5}\\{y}=&\text{your answer from above}\end{array}\right.}$