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Question

Mark (✓) against the correct answer:
x+52+x-53=256 gives
(a) x = 3
(b) x = 4
(c) x = 5
(d) x = 2

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Solution

(b) x = 4


x+52+x-53=256 3x+5+2x-56 = 256 because L.C.M. of 2 & 3 is 6 3x+15+2x-106 = 256 5x+56=256 5x+5=25 cancelling 6 from the denominator on both the sides 5x=25-5 5x=20 x=205 x=4

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