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
-
Suitable Grade Level
Grades 10-12