Elimination method:
\The equations are and
.
--------------------> (Equation 1)
--------------------> (Equation 2)
Multiply by 3 in first equation.
\ Equation (3)
Multiply by 2 in second equation.
\ Equation (4)
Since the coefficients of y-terms are additive inverses, these terms can be eliminated by subtracting equations. Write the equations in column form and subtract the corresponding columns.
\Divide each side by 7.
\Substitute in the second equation.
Subtract 15 from each side.
\Divide each side by 6.
\The solution of the point is .