How do you solve this system of equations: #\frac { 2} { 3} x - y = - \frac { 2} { 3} and \frac { 4} { 3} x + \frac { 1} { 3} y = 8#?

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Answer 1 · 2017-12-07T15:59:24

#x=5# and #y=4#

#2/3x-y+3*(4/3x+1/3y)=-2/3+8*3#

=#14/3x=70/3#

#x=70/3*3/14=5#

#4/3*5+1/3*y=8#

#y/3=8-20/3#

#y/3=4/3#

#y=4#