Question

X-3 x —— + —— =1 2 7

Answer 1

Привет, отредактируй по понятнее, я отвечу

Answer 2

I assume you want to solve the equation:

$\frac{X}{3} + \frac{X}{7} = 1$

To solve this equation for $X$, we need to find a common denominator for the fractions. The common denominator for 3 and 7 is 21. We can rewrite the equation as follows:

$\frac{7X}{21} + \frac{3X}{21} = 1$

Now, add the fractions together:

$\frac{7X + 3X}{21} = 1$

Combine the terms on the left side of the equation:

$\frac{10X}{21} = 1$

To solve for $X$, we need to isolate it on one side of the equation. Multiply both sides by 21 to get rid of the fraction:

$10X = 21$

Now, divide both sides by 10 to solve for $X$:

$X = \frac{21}{10}$

The solution for $X$ is:

$X = 2.1$

So, the value of $X$ that satisfies the equation is 2.1.