what is 3x-1/5-×/7=3
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The above question can be written as,
= [(7 × (3x -1)) – (5 × (x))/35] = 3
= ((21x – 7) – (5x))/35 = 3
= (21x – 7 – 5x)/35 = 3 = (16x – 7)/35 = 3
[Multiplying both side by 35]
= [(16x – 7)/35] × 35 = 3 × 35
= 16x – 7 = 105
= 16x = 105 + 7
= 16x = 112
[Multiplying both side by 1/16]
= 16x × (1/16) = 112 × (1/16)
= x = 7
By substituting 7 in the place of x in given equation, we get
LHS, = (16x – 7)/35 = ((16 × 7) – 7)/35
= (112 – 7)/ 35 = (105/35) = 3
RHS, = 3
By comparing LHS and RHS
= (4/3) = (4/3)
∴ LHS = RHS
Hence,
the result is verified
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