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 -9c - 5c = 2c + 9x - 9 for c in terms of x.
| -x + \(\frac{2}{3}\) | |
| -1\(\frac{3}{11}\)x + \(\frac{9}{11}\) | |
| -\(\frac{9}{10}\)x - \(\frac{4}{5}\) | |
| \(\frac{4}{5}\)x - 1\(\frac{1}{5}\) |