Question

7 - (6 - 12 + (5 +9x2 - 19) }​

Answer 1

Answer:

$7 - {6 - 12 + (5 + 9 \times 2 - 19)}\\ \\ =7 - {6 - 12 + (5 + 18 - 19)}\\ \\ = 7 - {6 - 12 + 4} \\ \\ = 7 - {6 - 8} \\ \\ = 7 - ( - 8) \\ \\ = 7 + 8 = 15$

Answer 2

Answer:

7-(6-12+(5+9×2-19)

7-(-6+5+18-19)

7-(-1+18-19)

7-(17-19)

7-(-3)

7+3

10