Math Problem Statement

已知1x=1y 3x=2y 1y=4n 30x+60n=5m 3m+12y=2j求未知数

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Simultaneous Equations
Substitution Method

Formulas

x = y
3x = 2y
y = 4n
30x + 60n = 5m
3m + 12y = 2j

Theorems

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Suitable Grade Level

Grades 10-12