3 years ago

• Write an expression that is equivalent to 3(7 + x). 3(7 + x) + ? 2

Mathematics

2 answers:

stira [4]3 years ago

4 0

Answer:

21+3x

Step-by-step explanation:

maksim [4K]3 years ago

3 0

Answer:

21+3x

Step-by-step explanation:

Expand this:

3(7+x)

So it becomes:

21+3x

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