Question

3x+1x=5+x
$3x + 1 = 5 + x$
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Answer 1

3x+1x=5+x

3x+1x-x=5

3x=5

x=5/3 ou 1,66...

3x+1=5+x

3x-x=5-1

2x=4

x=4/2

x=2