Because you if it changes its a function
Asking the Math Gods...
A=W*L
9*3=27in^2
9*5=45in^2
For CO2 there is one atom of carbon and two atoms of oxygen. For H2O, there is one atom of oxygen and two atoms of hydrogen.
Answer:
Equations are composed for many expressions.
Expressions can indicate variables, constants, etc.
Best regards
The property that is applied in
is addition property of equality
Given :

From the above equation we can see that 4 is added at the both sides of the equation .
we can add same number at the both sides of the equation to balance the equation . That is called as addition property of equality
Here , 4 is added on both sides of the equality to balance the equation .
So , addition property of equality is applied .
Learn more : brainly.com/question/24214650