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 c + 6c = -9c - 9z + 2 for c in terms of z.
| -1\(\frac{1}{2}\)z + \(\frac{1}{5}\) | |
| 1\(\frac{1}{3}\)z - \(\frac{7}{9}\) | |
| 1\(\frac{2}{3}\)z + 1 | |
| z - \(\frac{7}{8}\) |