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 2b - 8b = -2b - 4z - 9 for b in terms of z.
| -\(\frac{1}{5}\)z + \(\frac{1}{15}\) | |
| -z + \(\frac{1}{5}\) | |
| z - 2\(\frac{1}{4}\) | |
| -z + \(\frac{2}{3}\) |