Fractions and x's
Part of the Fundamentals section of Coddy's Algebra journey. Lesson 62 of 64.
The second challenge has a fraction. In 2x/3 - 1 = 5, the unknown is multiplied by 2, divided by 3, and then 1 is subtracted. You can undo those operations in reverse order. Or you can start by multiplying every term by the denominator, 3, to clear the fraction. Both methods leave x on its own.
Challenge
MediumSolve the equation 2x/3 - 1 = 5 for x.
Try it yourself
2x/3 - 1 = 5
Solve for x
Test yourselfThis lesson includes a short quiz. Start the lesson to answer it and track your progress.
All lessons in Fundamentals
1What an Equation Is
The EquationFinding the UnknownThe Same to Both SidesSolved Means AloneRecap: First Equations4Two-Step Equations
Two Layers to UndoSubtract, Then DivideAdd, Then DivideA Division InsideNegatives in Two StepsRecap: Two-Step Equations2One-Step Equations
Undoing AdditionUndoing SubtractionUndoing MultiplicationUndoing DivisionInverse OperationsRecap: One-Step Equations5Tidying First
Like TermsTerms and Numbers MixedThe Distributive PropertyDistributing a SubtractionTidy, Then SolveRecap: Tidying First