Respuesta:
1) 3x + 9 o tambien 3(x) + 3 × 3
2) 12x + 18 o tambien 2x(6) + 9 × 2
3) 2x + 12 o tambien (x + x)+ 6 + 6
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Verified answer
Respuesta:
1) 3x + 9 o tambien 3(x) + 3 × 3
2) 12x + 18 o tambien 2x(6) + 9 × 2
3) 2x + 12 o tambien (x + x)+ 6 + 6