Solving equations with a negative coefficient
Solving equations with a negative coefficient.
- Use the same operation on both sides of the equation.
- Remove any added or subtracted term, then divide by the whole coefficient, including its negative sign.
- A negative divided by a negative is positive. Check by substituting into the original equation.
Example 1
Solve the equation.
Example 2
Solve the equation.
Your turn
Question 1 Divide both sides by the negative coefficient.
Solve the equation.
Check answer
Question 2 Divide both sides by the negative coefficient.
Solve the equation.
Check answer
Question 3 Divide both sides by the negative coefficient.
Solve the equation.
Check answer
Question 4 Divide both sides by the negative coefficient.
Solve the equation.
Check answer
Question 5 Divide both sides by the negative coefficient.
Solve the equation.
Check answer
Solve the equation.
Solve the equation.
Solve the equation.
Solve the equation.
Solve the equation.