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[" 9.The solution of the equations "0.4x...

[" 9.The solution of the equations "0.4x+0.3y=1.7" and "0.7x-0.2y=0.8" is "],[[" (a) "x=1" and "y=2," (b) "x=2" and "y=3," (c) "x=3" and "y=4," (d) "x=5" and "y=4]]

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{:(0.4x + 0.3y = 1.7),(0.7x - 0.2y = 0.8):}

{:(0.4x + 0.3y = 1.7),(0.7x - 0.2y = 0.8):}