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Grade 12Algebra

the question got rectiified...................................................answer.....................

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Profile image of Soma Mesh
7 Years agoGrade 12
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Profile image of Aditya Gupta
ApprovedApproved Tutor Answer7 Years ago
multiply the first eqn by two and then add all the eqns. 
we obtain 2x-2x-8x+3x+5x+14z-5z-9z= 2g+h+k
so that 2g+h+k = 0