Mathematics
Junior High
Resolved
(2)と(3)が何回やっても、解けなかったので誰か教えて下さい🙌🏻💦
加減法です!
(エ)
リ=x+2
リーむ=-2
3 次の連立方程式を, 加減法で解きなさい。
|5.c-y=11
2+4y=16
口 (1)
2+y=13
3.c+2y =4
3.2-2y=1
2.c+3y =-2
口 (4)
13.2-2y=-3
6.c-5y=-2
次の連立右程すを
仕1法で 紹きな
3
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