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 x = 5, what is the value of 3c(c - x)?
| 14 | |
| 96 | |
| 80 | |
| 42 |