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 = -2a - 6z - 5 for a in terms of z.
| 2\(\frac{2}{7}\)z + 1\(\frac{2}{7}\) | |
| -5z + 3 | |
| -\(\frac{2}{15}\)z - \(\frac{2}{15}\) | |
| -\(\frac{1}{4}\)z - 1\(\frac{1}{4}\) |