Question

X/40+(610-x)/90=0(ans is 9)​

Answer 1

Step-by-step explanation:

x/40 + (610-x)/90 =0

Taking LCM OF 40 AND 90 which comes out to be 360

=> (9x+4(610-x))/360 =0

=> 9x + 2440 -4x = 0

=> 5x = -2440

=> x = -488

Therefore your answer is -488

Checking whether it is right or wrong , put x = -488

-488/40 + (610+488)/90

-122/10 + 122/10 = 0 = proved

Answer 2

Answer:

So your answer is 488

Step-by-step explanation:

$\frac{x}{40} + \frac{610 - x}{90} = 0$Let us do cross multiplication

$\frac{90x + 24400 - 40x }{3600} = 0$

$\frac{90x - 40x + 24400}{3600}$

$\frac{50x + 24400}{3600} = 0$

$50x + 24400 = 0 \times 3600$

$50x + 24400 = 0$

$50x = 0 - 24400$

$50x = - 24400$

$x = \frac{ - 24400}{50}$

$x = 488$

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