All math areasAlgebra, linear equations
Problem 1 of 23alg-001
What value of makes the equation true?
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Solution walkthrough1:53
- An equation is a balance: both sides weigh the same. Each box is and each small tile is .
- Distribute the : three groups of are . With the extra , the left side is .
- Take one off each side so is on one side only: .
- Take off each side to leave the boxes alone: .
- Two boxes balance tiles, so one box balances half of them: .
- Traps: multiplies only the by , removes from one side only, and adds instead.