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 = 1 and y = 3, what is the value of -4b(b - y)?
| 792 | |
| -18 | |
| 8 | |
| 21 |