izzy93
izzy93
04-12-2016
Mathematics
contestada
Solve this 7(3x-4)=56
Respuesta :
Аноним
Аноним
04-12-2016
you need to expand the brackets first
21x - 28 = 56
then rearrange it
21x = 56 + 28
21x =84
divide it by 21 to get just x
x =4
hope this helps you
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