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antoniya [11.8K]
3 years ago
12

I need a lot of help, I’m really confused on what we are learning currently.

Mathematics
1 answer:
Virty [35]3 years ago
3 0

7m+2=7n−5

Swap sides so that all variable terms are on the left hand side.

7n−5=7m+2

Add 5 to both sides.

7n=7m+2+5

Add 2 and 5 to get 7.

7n=7m+7

Divide both sides by 7.

7

7n

=

7

7m+7

Dividing by 7 undoes the multiplication by 7.

n=

7

7m+7

Divide 7+7m by 7.

n=m+1

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