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 = -6 and z = -7, what is the value of -2c(c - z)?
| 18 | |
| 12 | |
| 105 | |
| 100 |