PrerequisitesPrerequisite

Solving equations - with several sets of parentheses

Expand parentheses, then solve by doing the same operation to both sides.

  • Keep the equation balanced: do the same operation to both sides.
  • The small bracketed labels show the operation applied to each side.
  • Expand each parenthesis carefully, then collect like terms.

Example 1

Solve the equation.

Expand the parentheses, then collect like terms.

Example 2

Solve the equation.

Expand the parentheses, then collect like terms.

Remember
The unknown can be on either side. Check by substituting into the original equation.

Your turn

5 practice questions
Question 1

Solve the equation.

Check answer
Expand the parentheses, then collect like terms.
Question 2

Solve the equation.

Check answer
Expand the parentheses, then collect like terms.
Question 3

Solve the equation.

Check answer
Expand the parentheses, then collect like terms.
Question 4

Solve the equation.

Check answer
Expand the parentheses, then collect like terms.
Question 5

Solve the equation.

Check answer
Expand the parentheses, then collect like terms.
← All Prerequisites cardsReport a mistake

Related cards

Solving equations with fractionsSolving equations with unknowns on both sides