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95 = 2 * 5 (2x + 1)
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2
95 = 5 (2x + 1)
95 = 10x + 5
- 10x = 5 - 95
- 10x = - 90
x = -90/-10
x = 9
Solución :
x = 9
95-5=10x
90=10x
x=90/10
x=9