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 4a - 9a = -4a - 9x + 2 for a in terms of x.
| x + \(\frac{1}{4}\) | |
| \(\frac{1}{2}\)x + 2\(\frac{1}{4}\) | |
| -1\(\frac{1}{6}\)x + \(\frac{5}{6}\) | |
| -1\(\frac{4}{11}\)x + \(\frac{8}{11}\) |