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 -5a + 8a = -7a + 4z - 6 for a in terms of z.
| 1\(\frac{3}{8}\)z - \(\frac{5}{8}\) | |
| -2z - 3 | |
| -\(\frac{1}{14}\)z - \(\frac{9}{14}\) | |
| \(\frac{3}{5}\)z - \(\frac{7}{15}\) |