7/12 n + 2/3 m -1/4 m=7 Чему равен m и n?. Created by irochka320969. matematika-ru

7n+5m=7*12=847n=84-5mn=5m=84-7nm=

4 m=7 Чему равен m и n?...

irochka320969 @irochka320969

July 2022 1 3 Report

7/12 n + 2/3 m -1/4 m=7
Чему равен m и n?

Answers & Comments

Meowwwwwwwwwwwwwwwww $\frac{7}{12} n+ \frac{2}{3} m- \frac{1}{4} m=7$
$\frac{7}{12} n+ \frac{5}{12}m=7$
7n+5m=7*12=84
7n=84-5m
n= $\frac{84-5m}{7}$
5m=84-7n
m= $\frac{84-7n}{5}$

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