Genevieve wants to verify that One-fifth (5 x minus 20) minus one-half (4 x minus 8) is equivalent to Negative x. Which procedure can Genevieve follow to determine if the two expressions are equivalent?
Add the two expressions.
Put an equal sign between the two expressions and solve for x.
Substitute 5 into the first expression, substitute 4 into the second expression, and evaluate them.
Substitute 5 into each expression and evaluate them.