Answer:
Only one
Step-by-step explanation:
46=3x+7 /-7
39=3x /:3
13=x
Answer:

Step-by-step explanation:
÷ 4 =
x
= 
When you have a fraction divide a number, you need to multiple it's reciprocal
Answer:
b
Step-by-step explanation:
W=-21 Move the four over to the 24 leaving you with negative 20 and then “subtract” one
Answer:
x = -19
Step-by-step explanation:

Multiply both sides of the equation by -9.

x - 26 = -45
Add 26 to both sides.
x - 26 + 26 = -45 + 26
x = -19