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torisob [31]
3 years ago
6

-2a + 3 = 30-12 what does that equal ? ​

Mathematics
2 answers:
Phoenix [80]3 years ago
6 0
-2a =15
a = -7.5
fjrndiskkejfff
tino4ka555 [31]3 years ago
4 0
You would do 3=-3 then put -3 below 18 because 30-12=18 then do 18-3=15 then -2a/2 then 15/2,15/2 equals 7.5 so a=7.5
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