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 + 6a = -7a + 2z + 1 for a in terms of z.
| -\(\frac{1}{13}\)z + \(\frac{5}{13}\) | |
| -\(\frac{1}{2}\)z - \(\frac{2}{3}\) | |
| -z + \(\frac{1}{4}\) | |
| -\(\frac{1}{5}\)z - \(\frac{9}{10}\) |