annamariagallo annamariagallo

27-09-2018
Mathematics

contestada

how to solve ? [3x+4]+1=7

Respuesta :

meyoten meyoten

27-09-2018

to solve this we need to isolate the x variable.

subtract 1 from each side: [3x+4] = 6

now we can drop the parentheses and subtract 4 from each side: 3x = 2

divide each side by 3: x = 2/3

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