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 + a = 3a + 3z + 5 for a in terms of z.
| -\(\frac{1}{10}\)z + \(\frac{4}{5}\) | |
| \(\frac{2}{3}\)z + \(\frac{1}{3}\) | |
| \(\frac{9}{10}\)z + \(\frac{1}{2}\) | |
| -\(\frac{2}{11}\)z - \(\frac{5}{11}\) |