Respuesta :
Answer:
C. 10 animals
Step-by-step explanation:
This is how i do it
(you just rearrange the number so the you can add the x's together)
15 + -5 = -2x + 3x
15 + -5 = 10
-2x + 3x = 1x or X
so you answer is:
X = 10
Isolate the variable by dividing each side by factors that don’t contain the variable.
ANSWER— C 10 animals
ANSWER— C 10 animals