Answer:
x= -3
Step-by-step explanation:
mutliply the -3 to parentheses.
-3x+12 = 21
-3x = 21-12
/-3
x= 9/-3
x= -3
Answer:
no
no
no
yes yes
Step-by-step explanation:
not 100% but it should be right
Answer:
105 Cases
Step-by-step explanation:
Subtract 156-51
Fewer shows subtraction
Here is a link to help you find the answer:
https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/simplify-rati...
Hope this helps!
Answer:
Step-by-step explanation: