AnnaD12
AnnaD12
10-09-2015
Mathematics
contestada
3x-4+20=55 What is x?
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Аноним
Аноним
10-09-2015
3x-4+20=55
Move the variables to one side and the numbers to the other.
3x=55+4-20
Simplify.
3x=59-20
Simplify.
3x=39
39 divided by 3.
x=13
Hope I helped!!!
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Susanna245
Susanna245
10-09-2015
39- 4=35 ＋20 =55
And X is for 9
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