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 -4b - 6b = 3b + 7z - 9 for b in terms of z.
| -1\(\frac{3}{14}\)z + \(\frac{9}{14}\) | |
| -9z + 4 | |
| -1\(\frac{2}{11}\)z + \(\frac{4}{11}\) | |
| -1\(\frac{6}{7}\)z + 1\(\frac{2}{7}\) |