When solving an equation with two variables, replace the variables with the values given and then solve the now variable-free equation. (Remember order of operations, PEMDAS, Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.)
Solve 6c - c = 8c - 2z + 9 for c in terms of z.
| 2\(\frac{1}{2}\)z + 1 | |
| \(\frac{1}{8}\)z + \(\frac{1}{4}\) | |
| 3\(\frac{1}{2}\)z + 4\(\frac{1}{2}\) | |
| \(\frac{1}{2}\)z - 4\(\frac{1}{2}\) |