5. Solve the simultaneous equations. You must show all your working. SUBSTITUTION CQ 2EQI x-3(1)= 9 2x - 3 (ze-sx) = 9 1/x-84+ 15× = 9 15.5x29484 15.5x - 93 15.5 15.5 x=6 x-3y=9 5x+y=28 Y = 28-5x 916 Y= 28-5x 1-28-566) 4-28-30 Y=-2 x y= 6 -2

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