ziv234
ziv234
18-09-2018
Mathematics
contestada
What is 13 - 4x = 1 - x
Respuesta :
watwolves8855
watwolves8855
18-09-2018
13-4x=1-x
13=4x+x=1-x+x
13-3x=1
13-1-3x=1-1
12-3x=0
12=3x
12/3=3x/3
4=x
Therefore, x=4
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