Answer:
x>-1
Step-by-step explanation:
4y = −12
To find the solution, you want to isolate y. This is a one-step problem, as all you need to do is divide both sides of the equation by 4.
4y = -12
4y/4 = -12/4
y = -3
Answer:
-3
Step-by-step explanation:
Simply input 3 for x in the equation.

Add all three expressions up and set them equal to 180 degrees, because there are 180 degrees in a triangle.
Answer:
I think it does not have zeros if it doesn't cross the x-axis .
Step-by-step explanation:
Good luck ^_^