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 -3c - 9c = -c + 2x + 8 for c in terms of x.
| -\(\frac{1}{2}\)x + \(\frac{5}{6}\) | |
| -x - 3 | |
| 2\(\frac{1}{3}\)x + 1\(\frac{1}{3}\) | |
| -5\(\frac{1}{2}\)x - 4 |