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.)
Solve -4a + 4a = -2a + 9x - 5 for a in terms of x.
| 7x + 1 | |
| 1\(\frac{3}{8}\)x + \(\frac{3}{4}\) | |
| -2\(\frac{1}{2}\)x + 2\(\frac{1}{2}\) | |
| \(\frac{5}{9}\)x - \(\frac{2}{9}\) |