Mathematics
Junior High
Resolved
方程式の問題です。どうして×2をするのかが分かりません( ˘•ω•˘ ).。oஇ解説お願いします🙇♀️
(4) 4x-1+2=22
3
4-1+2)x6-x6
3
(4x-1) X2+2×6=3x
8x-2+12=3x
5x=-10
x=-2
(広島)
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