3{(-6)+20} + (-7+9) (2) -12 answer
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3{(-6)+20} +(-7+9)(2)-12
3{-6+20}+(2)(2)-12
3{-6+20}+2 x 2 -12
3{-6+20}+4-12
3{14}+4-12
42+4-12
46-12
34. is your answer
please mark brainliest
Answered by
0
Step-by-step explanation:
3{(-6)+20}+(-7+9)(2)-12
=3{14}+(2)(2)-12
=3{14}+(4)-12
=3{14}+(-8)
=3{14}-8
=3×14-8
=42-8
=34
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