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 c = 7 and y = -4, what is the value of -2c(c - y)?
| -154 | |
| -20 | |
| -441 | |
| 140 |