Two students were given the expression shown 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.

math item stem image
clear check
sergio: 9−(−3x)
sergio's expression is because .

leon: 9+3+6x
leon's expression is because .

equivalent expression

a correct equivalent expression is .

Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.