Question

ПОМОГИТЕ СРОЧНО!!! 2a+6a-12=28
3n-10=20

Answer 1

1)8а=28+12
8а=40
А=40:8
А=5

2)3n=20+10
3n=30
n=30:3
n=10

Answer 2

8a=40
a=5

3n=30
n=10
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