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