Answer:
5x + 1 = 4x
You can really put any letter for "a number":
5n + 1 = 4n
A closed dot mean "greater than or equal to" or "less than or equal to"
An open dot means "less than" or "greater than"
In this case, an open dot would mean
X>-2
Answer:
7
Step-by-step explanation:
x * x = 7x
7 x 7 = 7 x 7
49 = 49
so if x is 7, the equation is true...
Answer:

Step-by-step explanation:
1) Join the denominators.

2) Simplify.

3) Simplify.

Therefor, the answer is 5/6.
and in decimal from it will be, 0.8333333.
L is 0 because it cancels itself out