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 2a + 3a = -5a + z - 8 for a in terms of z.
| 1\(\frac{1}{5}\)z - \(\frac{9}{10}\) | |
| -\(\frac{2}{7}\)z - 1\(\frac{1}{7}\) | |
| 15z - 6 | |
| -3z + 1\(\frac{2}{3}\) |