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Dimas [21]
2 years ago
15

Can you help me with number 2 please show me how you did it thank you

Mathematics
1 answer:
denpristay [2]2 years ago
7 0
Distraibutiv peorpoty
a(b+c)=ab+ac

we have
3a+7+2(3+a)
distribute first
2(3+a)=6+2a

now we have
3a+7+6+2a
move like terms together
3a+2a+7+6
add lke terms
5a+13
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