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 -9a - 6a = 5a - 8x + 7 for a in terms of x.
| \(\frac{1}{2}\)x - \(\frac{3}{4}\) | |
| \(\frac{1}{7}\)x - \(\frac{1}{2}\) | |
| 2\(\frac{3}{5}\)x + \(\frac{2}{5}\) | |
| x - \(\frac{2}{9}\) |