Respuesta :

3x+7=13

move +7 to the other side

sign changes from +7 to -7

3x+7-7= 13-7

3x= 6

divide by 3 for both sides

3x/3= 6/3

x=2

Answer : x= 2

3x+7=13.
3x=13-7
3x=6
At this point you would divide the 3 and 6 and you would get 2

The answer is 2.
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