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 = -7, what is the value of 4a(a - y)?
| 32 | |
| 1008 | |
| 392 | |
| 243 |