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 - 7a = -5a - 2z + 2 for a in terms of z.
| \(\frac{5}{13}\)z + \(\frac{2}{13}\) | |
| 1\(\frac{1}{6}\)z - \(\frac{1}{12}\) | |
| -2\(\frac{3}{4}\)z - 1\(\frac{3}{4}\) | |
| -\(\frac{1}{5}\)z + \(\frac{3}{10}\) |