The system of equations are
.
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Since the coefficient of the y - term in two equations is same. So, eliminate these terms by subtracting the equations.
\Write the equations in column form and subtract to eliminate variable y.
\
.
The resultant equation is
and solve for x.
Divide each side by 2.
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Cancel common terms.
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Substitute 1 for x in either equation and solve for y.
\Equation 2 : 


Subtract 2 from each side.
\

\
Divide each side by 3.
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Cancel common terms.
\
.
The solution
.