3 years ago

3n+8=20 i need help i think it is algerbra

Mathematics

2 answers:

Minchanka [31]3 years ago

7 0

3n+8=20
8+3n=20
3n=20+-8
3n=12
n=4

tia_tia [17]3 years ago

4 0

turn the problem around

20-8=12

12/3=4

Your answer is 4.

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