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 = 5c - 4x + 9 for c in terms of x.
| \(\frac{2}{5}\)x + 1\(\frac{1}{5}\) | |
| \(\frac{1}{4}\)x + 2\(\frac{1}{4}\) | |
| -\(\frac{1}{4}\)x - 1 | |
| 13x + 8 |