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 + 5a = 4a - 8z - 8 for a in terms of z.
| 6\(\frac{1}{2}\)z + 4 | |
| -z + 3 | |
| -\(\frac{1}{2}\)z + 3 | |
| -\(\frac{3}{11}\)z + \(\frac{8}{11}\) |