Answer: x = −12
Step-by-step explanation:
−27 = x −15
x − 15 = −27
x − 15 + 15 = −27 + 15
x = −12
Answer:
D
Step-by-step explanation:
5x-2+2x+1
5x+2x+1-2
7x-1
Answer:
205.92
Step-by-step explanation:
just basic math
Answer:

Step-by-step explanation:
we have

we know that

In this problem

substitute in the formula


The value of x is 5. Angle one and four are vertical. You can do this by writing 7x = 3x + 20. Isolate the variable by moving 3x to the other side. If you do this, 3x becomes negative, and you end up with 7x-3x = 20 --> 4x = 20.
x=5.