Answer:
40
Step-by-step explanation:
add 20+20 and that equals 40
Answer:
if we do 9 times a number that will be
9x
Answer:
x= -1.16
Step-by-step explanation:
Answer:
Square root property
Step-by-step explanation:
The given equation is :

We need to write the most appropriated technique to solve the above equation.
Subtracting both sides of the above equation by 6 such that,

Now taking square root on both sides we get :

The square root property is used here, such that the value of x is :

Its 2 because u see how many 4s go into 8