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 - 7a = 9a - 7y - 2 for a in terms of y.
| \(\frac{4}{9}\)y - \(\frac{2}{9}\) | |
| -3\(\frac{2}{3}\)y - 2 | |
| -1\(\frac{2}{13}\)y + \(\frac{5}{13}\) | |
| y + \(\frac{2}{5}\) |