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 -8a + 2a = 3a - 7x + 8 for a in terms of x.
| \(\frac{1}{2}\)x - \(\frac{3}{4}\) | |
| -\(\frac{3}{7}\)x - \(\frac{4}{7}\) | |
| -x - \(\frac{5}{9}\) | |
| \(\frac{9}{11}\)x - \(\frac{8}{11}\) |