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Q.

What is the value of x in x-32=5+x3 ?


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a

48

b

39

c

24

d

34 

answer is B.

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Detailed Solution

Given, x-32=5+x3.
Solve the equation for x.
x-32=5+x3
x-32=15+x3
Cross multiply the above equation.
3(x-3)=2(15+x)
3x-9=30+2x
x = 39
Check whether the solution is correct or not by substitution method.
LHS = x-32
=39-32
=18
RHS = 5+x3
=5+393
=18
LHS = RHS
So, the value of x is 39.
Hence, option 2 is correct.
 
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