Question

(-4)+3+(-7)-(-12)
Three barn​

Answer 1

$- 4 + 3 + ( - 7) - ( - 12) \\ - 4 + 3 - 7 + 12 \\ - 4 + 3 + 5 \\ - 1 + 5 \\ 4$

Answer 2

(-4)+3+(-7)-(-12)

= -4+3-7+12

= -1-5

= -6