breanna4729
breanna4729
19-11-2019
Mathematics
contestada
a + 3(a − 1) = 3(2 + 1)
Respuesta :
solana3118
solana3118
19-11-2019
so times 3 by what’s in the parentheses
a+3a-3=6+3
4a-3=9
4a=12
a=3
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