Answer: [tex]x=-5[/tex]
Move all terms to the left
[tex]5x+10-(2x-5)=0[/tex]
Get rid of parentheses
[tex]5x-2x+5+10=0[/tex]
Add all the numbers together, and all the variables
[tex]3x+15=0[/tex]
Move all terms containing x to the left, all other terms to the right
[tex]3x=-15\\x=-15/3\\x=-5[/tex]
