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 a = 7 and y = 6, what is the value of -3a(a - y)?
| 360 | |
| -192 | |
| 60 | |
| -21 |