x+x+5=5+13+5
x+x=5+13+5-5
2x=18
x=18/2
x=9
resposta: x=9
2x +5 = 23
2x = 23-5
2x = 18
------------
3×9 = 27
letra a
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
x+x+5=5+13+5
x+x=5+13+5-5
2x=18
x=18/2
x=9
resposta: x=9
2x +5 = 23
2x = 23-5
2x = 18
x=9
------------
3×9 = 27
letra a