3 (x + 1 ) = 4x +9
encontrar valor de x y procedimiento
:v doy coronita
encontrar valor de x y procedimiento
:v doy coronita
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Verified answer
Explicación paso a paso:
3(x+1) = 4x + 9
3x + 3 = 4x + 9
3x - 4x = 9 - 3
- x = 6
x = -6
Ahora comprobamos...
3(-6 + 1) = 4(-6) + 9
-18 + 3 = -24 + 9
-15 = -15