Answer:
First, these angles are alternate interior angles.


Step-by-step explanation:
(10x - 5)° and (9x + 1)° are alternate interior angles. Thus, they are congruent to each other.
Thus, to find x, we will set each angle equal to the other.

Solve for x. Collect like terms


Answer:
vb n bf dgmhumrynwtfvt
Step-by-step explanation:
vb hgetyhrtewr34y4j4htredwed5g
The most familiar case is that where you see a " + " sign between two numbers; that's an indication to add the two numbers (or terms) together.
Also, the instruction, "sum up the following," is a command to find the sum of all the numbers that follow.
If I understand correctly, you went wrong because you solved for Y instead of M, like the question dictates.