(1) 2 upon 5 y -5 upon 8 y = 5 upon 12 (2)3x+2(X+2)=20-(2x-5) (3) 13 (y-4)-3(y-9)=5(y+4) (4) (2z-7)-3(3z+8)=4z=-9 Ch 7 linear equation DAV
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(1) 2 upon 5 y -5 upon 8 y = 5 upon 12 (2)3x+2(X+2)=20-(2x-5) (3) 13 (y-4)-3(y-9)=5(y+4) (4) (2z-7)-3(3z+8)=4z=-9 Ch 7 linear equation DAV
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