Question

Q. Solve: 3x + 1/5 = 2 - x
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Answer 1

$3x + \frac{1}{5} = 2 - x$

taking LCM of left hand side

$\frac{15x + 1}{5} = 2 - x$

multiply both sides by 5

$15x + 1 = (2 - x)5$

$15x + 1 = 10 - 5x$

adding both side 5x

$20x + 1 = 10$

Subtracting both sides 1

$20x = 9$

dividing both sides by 20

$x = \frac{9}{20}$

Answer 2

The correct answer will be "9/20".

Step-by-step explanation:

$The \ given \ equation \ will \ be:\\3x+\frac{1}{5}=2-x\\On \ taking \ lcm,we \ get\\\frac{15x+1}{5}=2-x\\On \ applying \ cross \ multiplication,we \ get\\15x+1=5(2-x)\\15x+1=10-5x\\On \ adding \ "5x" \ both \ sides,we \ get\\ 15x+1+5x=10-5x+5x\\20x+1=10\\On \ subtracting \ "1" \ from \ both \ sides,we ] get\\20x+1-1=10-1\\20x=9\\x=\frac{9}{20}$

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