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Jika ⅖(x + ½) = ⅗,

maka x =
1
Pembahasan:
⅖(x + ½) = ⅗
⅖x + ²/₁₀ = ⅗
⅖x = ⅗ – ²/₁₀
⅖x = 6 – 2 ÷ 10
⅖x = ⁴/₁₀
x = ⁴/₁₀ × ⁵/₂ = ²⁰/₂₀ = 1