Respuesta :
Answer:
x = 7
Step-by-step explanation:
x + 2x + 5 = x + 19
3x + 5 = x + 19
-x -x
2x + 5 = 19
- 5 = 19 - 5
2x = 14
2x / 2 = 14 / 2
x = 7
Answer:
so before a variable it always has a number, so x equals 1
Step-by-step explanation:
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