Question 630896
(1) {{{ x - 2y = 14 }}}
(2) {{{ x + 3y = 9 }}}
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Subtract (2) from (1)
(1) {{{ x - 2y = 14 }}}
(2) {{{ -x - 3y = -9 }}}
{{{ -5y = 5 }}}
{{{ y = -1 }}}
and
(2) {{{ x + 3*(-1) = 9 }}}
(2) {{{ x - 3 = 9 }}}
(2) {{{ x = 12 }}}
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The solution is ( 12,-1 )