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 -8c - 7c = -2c - y - 1 for c in terms of y.
| y + 3\(\frac{1}{2}\) | |
| -3\(\frac{2}{3}\)y + 2\(\frac{2}{3}\) | |
| -y - 1 | |
| -y + \(\frac{1}{6}\) |