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