the weight of Rahul is 5 kg more than Sachin the weight of Sameer is 12 KG less than double the weight of Sachin if the total weight of all the three is 93 find the weight of each one of them
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let the weight of,
Sachin = x
Rahul = x + 5
Sameer = 2x - 12
linear equation:
x + ( x + 5 ) + ( 2x - 12 ) = 93
4x + 5 - 12 = 93
4x - 7 = 93
4x = 93 + 7 = 100
x = 100/4 = 25
Sachin = 25 kg
Rahul = 25 +5 = 30 kg
Sameer = 2*25 - 12
= 50-12 = 38kg
Sachin = x
Rahul = x + 5
Sameer = 2x - 12
linear equation:
x + ( x + 5 ) + ( 2x - 12 ) = 93
4x + 5 - 12 = 93
4x - 7 = 93
4x = 93 + 7 = 100
x = 100/4 = 25
Sachin = 25 kg
Rahul = 25 +5 = 30 kg
Sameer = 2*25 - 12
= 50-12 = 38kg
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