Answer:no
Step-by-step explanation:
Because you have two -2 in the x slots , if you see an number more than once it is no longer a function.
Answer:
x=3
Step-by-step explanation:
3(2x+5)=4x+21
6x+15=4x+21
-4x -4x
2x+15= 21
-15 -15
2x=6
2 2
<h2>x=3 Hope that helped!!!!</h2>