How do you solve the following system?: #5x-7y=22 , -6x+3y=17 #

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Answer 1 · 2018-07-17T11:19:57

#x=-185/27# and #y=-217/27#

#3*(5x-7y)+7*(-6x+3y)=3*22+7*17#

#15x-21y-42x+21y=66+119#

#-27x=185#, so #x=185/(-27)=-185/27#

#(-6)*(-185/27)+3y=17#

#370/9+3y=17#

#370+27y=153#

#27y=-217#, thus #y=-217/27#