Question

solve X by 2 + x by 4 + x by 5 + 1000 is equals to X​

Answer 1

Answer:

x/2+x/4+x/5+1000=x

10x+5x+4x+20,000/20=x

19x+20000=20x

20x-19x=20000

,x=20,000

Answer 2

$\frac{x}{2} + \frac{x}{4} + \frac{x}{5} + 1000 = x \\ \\ \frac{x}{2} + \frac{x}{4} + \frac{x}{5} + 1000 - x = 0 \\ \\ now \: we \: take \: lcm \: is \: 20 \: \\ \\ \frac{10x}{20} + \frac{5x}{20} + \frac{4x}{20} + \frac{20000}{20} - \frac{20x}{20} = 0 \\ \\ \frac{10x + 5x + 4x - 20x + 20000}{20} = 0 \\ \\ 10x + 5x + 4x - 20x + 20000 = 0 \\ \\ 19x - 20x = - 20000 \\ - x = - 20000 \\ \\ x = 20000$

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