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 3a - 7a = 9a - 8y - 8 for a in terms of y.
| \(\frac{1}{6}\)y + 1\(\frac{1}{3}\) | |
| -\(\frac{3}{13}\)y - \(\frac{4}{13}\) | |
| 7y - 6 | |
| y + \(\frac{1}{3}\) |