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 y = -7, what is the value of 5b(b - y)?
| -108 | |
| 54 | |
| -4 | |
| 0 |