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 = 3, what is the value of 2c(c - y)?
| 140 | |
| -84 | |
| -840 | |
| -36 |