Question 346984
I believe this is what you are needing:

2x-x+8=3x+3

Since 2x and -x are like terms, add -x to 2x to get x.
x+8=3x+3

Since 3x contains the variable to solve for, move it to the left-hand side of the equation by subtracting 3x from both sides.
x+8-3x=3

Since x and -3x are like terms, add -3x to x to get -2x.
-2x+8=3

Since 8 does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting 8 from both sides.
-2x=-8+3

Add 3 to -8 to get -5.
-2x=-5

Divide each term in the equation by -2.
-(2x)/(-2)=-(5)/(-2)

Simplify the left-hand side of the equation by canceling the common factors.
x=-(5)/(-2)

x= -25