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 -7b - 7b = 9b - 9z + 3 for b in terms of z.
| 6z + 7 | |
| \(\frac{1}{8}\)z - \(\frac{3}{16}\) | |
| -\(\frac{3}{7}\)z + \(\frac{2}{7}\) | |
| z - \(\frac{5}{6}\) |