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Serga [27]
3 years ago
6

3a+20=-25 what is the value of a?

Mathematics
2 answers:
frez [133]3 years ago
8 0
3a+20=-25

Subtract 20 from both sides
3a=-45

Divide both sides by 3
a=-15

Final answer: a=-15
Aleksandr [31]3 years ago
7 0
It is negative 15. You subtract 20 then dividr by 3
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