espero que sea de tu agrado la tarea que te estoy enviando
soy de peru
brillith2022
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X+x+1+x+2=51
3x+3=51
Use inverse operations to solve
subtract 3 from both sides
3x=48
Divide by 3 on both sides
x=16
16, 17, 18
I think it’s D. 102 but it may not be.