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 -5a - 7a = 3a - 8x - 5 for a in terms of x.
| -2\(\frac{4}{5}\)x - \(\frac{2}{5}\) | |
| 3x - 3\(\frac{1}{2}\) | |
| -\(\frac{1}{5}\)x + \(\frac{2}{5}\) | |
| \(\frac{1}{8}\)x + \(\frac{5}{8}\) |