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 -7c - 4c = 9c - 9x - 5 for c in terms of x.
| -2\(\frac{1}{2}\)x + 4 | |
| -1\(\frac{1}{5}\)x - \(\frac{3}{10}\) | |
| \(\frac{1}{9}\)x - \(\frac{5}{9}\) | |
| \(\frac{5}{16}\)x + \(\frac{5}{16}\) |