Solve an equation, inequality or a system.

Example: 2x-1=y, 2y+3=x

Systems of Linear Equations

(1) Find the corresponding matrices to the following systems of linear equations:

(2) Find the systems of equations which correspond to the following matrices:

(3) Solve the following systems of linear equations using matrix reduction. Remember
that sometimes it pays to reoreder the equations , and to divide or multiply an equation
by a number .