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 + 9b = 4b - z + 1 for b in terms of z.
| -2\(\frac{1}{2}\)z - 1\(\frac{3}{4}\) | |
| 11z - 1 | |
| -10z + 1 | |
| -9z - 9 |