AshontiBreyanna AshontiBreyanna

30-10-2016
Mathematics

contestada

three times a number plus 12 minus 5 times the same number is 22. what is the number ?

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diamond03 diamond03

30-10-2016

3x+12-5=22
3x+7=22
3x=15
x=5

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slb2001 slb2001

30-10-2016

3x+12-5(x)=22
x=-5
you just have to put the problem into numbers

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