How do you solve #9a - 8= 73#?
We just need to solve the equation for
Add 8 to both sides:
Divide both sides by 9:
Equations should be viewed as logical statements. The equation you give is literally saying that the value of
From this, it follows that we are allowed to make certain manipulations. For example, we can add numbers to both sides of the equation. Doing such yields:
We can also divide both sides of the equation by some number, as long as it's the same number. We will divide by
So our answer is