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