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 3a + 5a = 6a + 5z - 9 for a in terms of z.
| 1\(\frac{1}{2}\)z - \(\frac{9}{10}\) | |
| z + 3 | |
| -4z + 8 | |
| -\(\frac{1}{3}\)z + 2 |