Question 267035
here is the system
(i) {{{1/3x + 1/6y = 0}}}
(ii) {{{1/2x - 1/4y = 2 }}}
step 1 - multiply (i) by 6 and (ii) by 4 to get
(iii) {{{2x + y = 0}}}
(iv) {{{2x - y = 8}}}
step 2 - add down to get
(v) {{{4x = 8}}}
divide to get
(vi) {{{x = 2}}}
solving for y we get
(vii) {{{y = -4}}}