I’m going to assume the periods represent multiplication signs.
-7x9x-1= 63
-3x-5x-3= -45
4x8x-2= -64
hope this helps!
Being a random number "x"
1 + x²
Answer:
They are correct good job!
Step-by-step explanation:
Answer:
x=9
Step-by-step explanation:
hope this helps i think it's right 60=9x - 21 you add 21 to both sides and get 81 = 9x then divide 81 by 9 and get x=9