Answer:

_________________


<u>Remove the parentheses:</u>

<u>Combine like terms:</u>


<u>Multiply 3 and 5x = 15x:-</u>

<u>Combine like terms:</u>


<u>Expand: 3x-(2x-1)= x+1</u>

<u>Subtract 1 from both sides:</u>


<u>Add 9x to both sides:</u>


<u>Divide both sides by 10:</u>


<u>________________________________</u>