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 -5c - c = 3c - 9z - 8 for c in terms of z.
| -\(\frac{7}{9}\)z + \(\frac{8}{9}\) | |
| \(\frac{2}{11}\)z + \(\frac{3}{11}\) | |
| 2\(\frac{1}{3}\)z + \(\frac{2}{3}\) | |
| z + 1 |