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 -3c - 7c = -c + 8z - 4 for c in terms of z.
| -2\(\frac{2}{3}\)z + 1\(\frac{1}{3}\) | |
| -7\(\frac{1}{2}\)z + 2 | |
| -10z + 2 | |
| 1\(\frac{1}{11}\)z - \(\frac{2}{11}\) |