They are intergers hoped this help
X - 89 = 7
Difference is - and is means equal to therefore is x - 89 = 7
Answer:
a is correct
b. wrong = 6x-12
c wrong = -12xy+30x
d wrong = 15x²+10xy
e correct
f wrong = 2x-1
g wrong = 4(3x+1)
h correct
Step-by-step explanation: