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12-01-2021
Mathematics

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a+3(a−1)=3(2+1) what is a

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safaa42 safaa42

12-01-2021

Answer:

a=3

Step-by-step explanation:

3×2=6

3×1=3

3×a=3a

3× -1=-3

3a+a+ -3=4a-3

4a-3=6+3

+3 +3

4a=12

÷4 ÷4

a=3

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