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 - 2c = 2c + 6x - 9 for c in terms of x.
| -1\(\frac{2}{7}\)x + 1 | |
| -x + 1\(\frac{1}{3}\) | |
| 1\(\frac{1}{7}\)x - 1\(\frac{2}{7}\) | |
| -4\(\frac{1}{2}\)x + 1 |