Question

x/2+x/3-x/4=7 solve The following

Answer 1

(6x+4x-3x)/12=7
(6x+x)/12=7
7x=12*7
7x=84
x=84/7
x=12 ANS

Answer 2

Below is given the solution of the equation with detailed explanation of the steps :-

$\frac{x}{2} + \frac{x}{3} - \frac{x}{4} =7$

find the L.C.M of the denominators and adjust it with the new denominator....

=>  $\frac{6x+4x-3x}{12}=7$

now simplify accordingly....

=>  $\frac{(6x+4x)-3x}{12}=7$

=>  $\frac{10x-3x}{12}=7$

=>  $\frac{7x}{12}=7$

change the sides to eliminate the numbers at the x, and single the x......
=>  $x= \frac{7*12}{7}$

the two 7's will be cut.....
=>  $x=12$

and so the value of x is...
12

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