Addition and Subtraction Properties of Equality - Definitions

Subtract $x$ from both sides, then subtract $7$ from both sides, then swap the two sides.

Swap the two sides, then subtract $x-7$ from both sides.

Subtract $3$ from both sides, then subtract $2x$ from both sides, then multiply both sides by $-1$.

Subtract $2x+3$ from both sides, then add $x-4$ to both sides, then swap the two sides.