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If d= 4 and a=1 , evaluate 3d + 5a - 4

If d= 4 and a=1 , evaluate 3d + 5a - 4-example-1
User Utdrmac
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3D+5a-4=13,3D= 3•4=12,5a=5•1=5,12+5=17,17-4=13,13
User Carlo Medas
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