Respuesta :

Answer:

x=6

Step-by-step explanation:

2x+6=18

2x=12

x=6

Enviyon

Step-by-step explanation:

2(x+3)=18

x+3=18÷2

x+3=9

x=9-3

x=6

2x+15=27-4x

2x+4x=27-15

6x=12

x=12÷6

x=2

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