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 -3b + 2b = 8b + 3y + 9 for b in terms of y.
| -y + 1 | |
| \(\frac{7}{10}\)y + \(\frac{7}{10}\) | |
| -\(\frac{1}{11}\)y - \(\frac{9}{11}\) | |
| -\(\frac{5}{9}\)y - \(\frac{1}{9}\) |