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 7b - 2b = 8b + 9x - 4 for b in terms of x.
| -1\(\frac{2}{13}\)x - \(\frac{5}{13}\) | |
| \(\frac{3}{10}\)x + \(\frac{1}{5}\) | |
| -11x + 4 | |
| -1\(\frac{1}{6}\)x + \(\frac{2}{3}\) |