Which expression is equivalent to the given expression?(1/7x + 6) - (-4/7x + 3)

We have the following expression:
[tex](\frac{1x}{7\text{ }}\text{ + 6 ) - (}-\frac{4x}{7}\text{ + 3)}[/tex]Let's find the equivalient expression, solving the parenthesis, as follows:
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