Answer:
x = -4
Step-by-step explanation:
-5x-10=10
Add 10 to each side
-5x-10+10=10+10
-5x = 20
Divide each side by -5
-5x/-5 = 20/-5
x = -4
The answer is 39 and I know because I took the test and got it right
Step-by-step explanation:
Both are very correct,

because any number raised to the power of a negative
is given as

if this helped pls give brainliest
Answer:
Step-by-step explanation:
Idk I need your help
Given:
Consider the below figure attached with this question.
and
.
To find:
The measure of angle 3.
Solution:
From the below figure it is clear that, angle 3 and angle 4 are vertically opposite angles.
We know that, vertically opposite angles are always equal. So,






Now,


Therefore, the measure of angle 3 is 140 degrees.