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Mathematics, 11.10.2019 15:20 leoisawesome18

0.5(x−12)+0.2(x+7)=0.3x+3.4

0.9a+4.96=3.6+1.4a

12x(x+2)−5(2x−1)

answer all this in less then 20 !

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Answers: 2

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You know the right answer?
0.5(x−12)+0.2(x+7)=0.3x+3.4

0.9a+4.96=3.6+1.4a

12x(x+2)−5(2x−1)

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