7z = 3z - 3, solve

1 answer

To solve this equation, we need to isolate the variable z. Here's the solution:

7z = 3z - 3

Subtract 3z from both sides of the equation:

7z - 3z = 3z - 3 - 3z

4z = -3 (Combine like terms)

Now, divide both sides by 4 to isolate z:

4z/4 = -3/4

z = -3/4

Therefore, the solution to the equation 7z = 3z - 3 is z = -3/4.