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