Q. What value of z makes the equation below true?9z−2=79391379
Set up equation: Set up the equation that needs to be solved.The equation given is 9z−2=79. We need to find the value of z that makes this equation true.
Add to isolate: Add 2 to both sides of the equation to isolate the term with the variable z. 9z−2+2=79+2This simplifies to:9z=81
Divide to solve: Divide both sides of the equation by 9 to solve for z.9z÷9=81÷9This simplifies to:z=9