Question

28 - {4 + (5 - 5 × 2)}​

Answer 1

28=4+3(t+5)⇒28−4=3(t+5)

⇒24=3(t+5)⇒

3

24

=t+5

⇒8=t+5⇒8−5=t

⇒3=t⇒t=3

Answer 2

Answer:

28-{4+(5-10)}

28-{4+(-5)}

28-{4-5}

28-{-1}

28+1

29