x= -3
Explicación:
2x-1+1=5x+8+1
2x=5x+9
2x-5x=5x+9-5x
-3x/-3=9/-3
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x= -3
Explicación:
2x-1+1=5x+8+1
2x=5x+9
2x-5x=5x+9-5x
-3x/-3=9/-3
x= -3