✨ Best Answer ✨
左辺と右辺に×2をする
(3-2/3a)×7a=14
21a-14a/3a=14
21a-14/3=14
21a=14+14/3=56/3
a=8/9
✨ Best Answer ✨
左辺と右辺に×2をする
(3-2/3a)×7a=14
21a-14a/3a=14
21a-14/3=14
21a=14+14/3=56/3
a=8/9
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