Respuesta :
Answer:
21-7x
Step-by-step explanation: gather like terms
25-4=21 -9x+2x=-7x
Answer:
21-7x
Step-by-step explanation:
you have to basically combine like terms. so you would then have 25-4 and then -9x=2x, which is how i got 21-7x
Answer:
21-7x
Step-by-step explanation: gather like terms
25-4=21 -9x+2x=-7x
Answer:
21-7x
Step-by-step explanation:
you have to basically combine like terms. so you would then have 25-4 and then -9x=2x, which is how i got 21-7x