emily-robinsons
emily-robinsons
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1) 4x=3(25-x) 4x=75-3x 7x=75 x=75/7 Number is 75/7 2) 3x-1=15-x 4x=16 x=4 15-4=11 The nos are 4 and 11. 3) 21-x=x-3 24=2x x=12 The nos are 12 and 9 4) x-4=20-x 2x=24 x=12 Nos are 12 and 8
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1) 4x=3(25-x) 4x=75-3x 7x=75 x=75/7 Number is 75/7 2) 3x-1=15-x 4x=16 x=4 15-4=11 The nos are 4 and 11. 3) 21-x=x-3 24=2x x=12 The nos are 12 and 9 4) x-4=20-x 2x=24 x=12 Nos are 12 and 8