Question

Solve:- x+25=3x-2\5​

Answer 1

Answer:

x-3x=-0.4-25

-2x=-25.4

minus minus will be cut down

x=25.4÷2=12.7

answer 12.7

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Answer 2

$\huge\bf\underline{Answer}$

$\huge\bf\boxed{x = 12.7}$

Solution:-

$x + 25 = 3x - \dfrac{2}{5}$

$= > x - 3x = - \dfrac{2}{5} - 25$

$= > - 2x = \dfrac{ - 125 - 2}{5}$

$= > - 2x = - \dfrac{127}{5}$

$= > - 10x = - 127$

$= > 10x = 127$

$= > x = \dfrac{127}{10}$

$= > x = 12.7$

Hence, the value of x is 12.7

Verification:-

Putting the value of x

$= > 12.7 + 25 = 3 \times 12.7 - \dfrac{2}{5}$

$= > 37.7 = 38.1 - \dfrac{2}{5}$

$= > 37.7 = \dfrac{381}{10} - \dfrac{2}{5}$

$= > 37.7 = \dfrac{381 - 4}{10}$

$= > 37.7 = \dfrac{377}{10}$

$= > 37.7 = 37.7$

Therefore, L.H.S = R.H.S

Hence, Proved