OpenSAT

To solve for x, we add x to both sides of the equation: $3x - 2 + x = 10 - x + x$, which gives us $4x - 2 = 10$. Then, we add 2 to both sides: $4x - 2 + 2 = 10 + 2$, or $4x = 12$. Dividing both sides by 4, we get $x = 3$.