Respuesta :
Answer:
x = 10
Step-by-step explanation:
Original Equation:
15 = 3x - 15
Add 15 to both sides
30 = 3x
Divide both sides by 3
10 = x
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x = 10
All you have to do is add 15 to both sides, and you have
30 =3x
and divide by 3
you get
10 = x