Question

# Suppose that the augmented matrix for a system of linear equations has been reduced by row operations to the given reduced row echelon form. Solve the

Forms of linear equations
Suppose that the augmented matrix for a system of linear equations has been reduced by row operations to the given reduced row echelon form. Solve the system. Assume that the variables are named $$x_1,x_2,...$$ form left to right. $$\begin{bmatrix}1&0&5&3&2\\0&1&-2&4&-7\\0&0&1&1&3\end{bmatrix}$$