Math Problem Statement

Selisih uang adik dan kakak Rp10.000 dua kali uang Kakak ditambah uang Adik berjumlah Rp40.000 Berapa jumlah uang mereka bentuklah jawaban sistem persamaan linear dua variabel

Solution

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Math Problem Analysis

Mathematical Concepts

Linear equations
Substitution method
Elimination method

Formulas

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Theorems

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Suitable Grade Level

Grades 7-9