The correct option is D that can be solved using two mathematical operations
A two-step equation is an algebraic (it has a variable) equation that can be solved using two mathematical operations.
Example: 2x−3=5
This equation can be solved using two mathematical operations addition and division
Step 1: Add 3 to both sides of the equation to eliminate the constant on the left side of the equation.
2x−3+3=5+3 2x=8
Step 2: Now, divide both sides by 2 to eliminate 2 on the left side of the equation.
2x2=82 x=4