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prisoha [69]
3 years ago
6

When solving a system by substitution one should

Mathematics
1 answer:
Sophie [7]3 years ago
6 0
The answer is B my teacher told me.
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Not easy help me please
Yuki888 [10]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

In the number line attached in my attachment,

The red line represents point :

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3 years ago
12 + y = y + 12*
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Commutative

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