Two students were given the expression 9−(3−6x) to simplify.

Use the drop-down menus to complete the statements about whether each student's answer is an equivalent expression.
Then choose an expression that is equivalent.

CLEAR CHECK
Sergio:
9−(3−6x)=9−(−3x)
Sergio's expression is because .
Leon:
9−(3−6x)=9+3+6x
Leon's expression is because .
Equivalent Expression
9−(3−6x)=