{-6 + 12 - 17 + [(23 - 52 + 15 - (12 - 14))]}

-23

Step-by-step explanation:

−6+12−17+23−52+15−(12−14)

= 6−17+23−52+15−(12−14)

= −11+23−52+15−(12−14)

= −11+−29+15−(12−14)

= −11+−14−(12−14)

= −11−14−(−2)

= −11+−12

= −23

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2