Mathematics
Junior High
Resolved
なぜ-(-3a+7b)/6が3a-7b/6になるのか分かりません。どのような過程で全ての符号が変わったのですか?分かりやすく教えてほしいです
(2)
-6a+14b
15
-6a+14b
15
3
12
-(-/-/-)
5
-X
(-5)
7
(-6a+14b)x5
3a-7b
6
15x4
3 2
-3a+7b
6
Answers
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