Explicación:
da 1
3x+1=x+5
3x=x+5-1
3x=x+4
x=x+4-3
x²=1
x=✓1
x=1
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Explicación:
da 1
3x+1=x+5
3x=x+5-1
3x=x+4
x=x+4-3
x²=1
x=✓1
x=1