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 -4c - 7c = 4c - 2z + 9 for c in terms of z.
| \(\frac{10}{17}\)z - \(\frac{1}{17}\) | |
| -\(\frac{5}{8}\)z - 1\(\frac{1}{8}\) | |
| -\(\frac{2}{5}\)z - 1\(\frac{3}{5}\) | |
| 1\(\frac{1}{4}\)z + \(\frac{3}{4}\) |