Question

6+9[10-2(2+3)]
What are the properties used in each step?

Answer 1

it equals 6

Answer 2

= 6+9[10-2(2+3)]

= 6+9*(10-2*(2+3))

= 6+9*(10-2*5)

= 6+9*0

= 6

Answer 3

@jmccollough : Next time, would you please guide the other person through the solution of his or her posted problem, instead of solving the problem yourself? Thank you.

Answer 4

There's more to this problem than just the answer. One must explain which property is used during each step of the problem solving process.

In 6+9[10-2(2+3)], the work inside parentheses, (2+3), MUST be done first, followed by the indicated multiplication, followed by ... what? Please review "order of operations" rules.