answers are in the pictures
Answer:
Step-by-step explanation:
x*0.75=36
x=36/0.75=48 $
It's dividing by 2.
Next 3 would be: 25, 25/2, 25/4 or converting those into decimals.
So basically you want to isolate only one of the variable on one side so
y=-9+x^2
add 9 to both sides
y+9=x^2
square root both sides
x=