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.)
If b = -7 and z = 3, what is the value of 8b(b - z)?
| -42 | |
| 560 | |
| 135 | |
| 54 |