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 = 5 and y = -7, what is the value of 7b(b - y)?
| -132 | |
| 420 | |
| 64 | |
| -126 |