Que solución tiene esta ecuación 2.(2/5X + 4)= 2/5X
A- X= -10
B- X= -20
C- X= 20/7
D- X= 40/7
A- X= -10
B- X= -20
C- X= 20/7
D- X= 40/7
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2(------- + 4 ) = --------
5 5
4x 2x
---- + 8 = --------
5 5
4x + 40 = 2x
4x - 2x = - 40
2x = - 40
- 40
x = ---------- = - 20 opción B)
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