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03-10-2018
Mathematics

contestada

First: Four more than the product of a number and three
Second: five less than twice a number
Third: twice the sum of eight and a number

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gahlalma gahlalma

03-10-2018

4+3x
2x-5
2(8+x)

2x-5=4+3x
-x-5=4
-x=9
x=-9

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