4x+3y=89 the sum of x,y =27

4x+3y=89 the sum of x.y is 27 how do i solve
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1 Answer

line 1...x+y=27 or y=-x+27

line 2...4x+3y=89

4x+3*(-x+27)=89

4x-3x+81=89

x=8

y=27-x=27-8=19
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