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 -8b + 3b = 5b - 7y - 9 for b in terms of y.
| 1\(\frac{1}{3}\)y + \(\frac{7}{9}\) | |
| -\(\frac{3}{13}\)y + \(\frac{8}{13}\) | |
| \(\frac{10}{13}\)y + \(\frac{9}{13}\) | |
| -2\(\frac{1}{3}\)y - 1\(\frac{2}{3}\) |