Question

solve :x/6-2x/7=1/21+x/7

Answer 1

$\frac{x}{6} - \frac{2x}{7} = \frac{1}{21} + \frac{x}{7} \\ l.c.m \: = 42 \: so \: multiply \: both \: sides \: by \: 42 \\ 7x - 12x = 2 + 6x \\ - 5x = 2 + 6x \\ - 5x - 6x = 2 \\ - 11x = 2 \\ x = - \frac{2}{11}$
Hope it will help you

Answer 2

ans:

x/6-2x/7=1/21+x/7

(7x-12x)/42=(1+3x)/21

-5x/2=1+3x

-5x=2+6x

-11x=2

x=-2/11

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