To add or subtract rational expressions with unlike denominators, first find the LCM of the denominator. The LCM of the denominators of fraction or rational expressions is also called least common denominator, or LCD. Write each expression using the LCD.
Those shapes are congruent
A midpoint divides a line segment into equal halves.
The value of x is 3.4
Given that:


Since M is the midpoint, then:

So, we have:


Collect like terms


Solve for x

<em>Hence, the value of x is 3.4</em>
Read more about midpoints at:
brainly.com/question/2441957