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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