find the sum bracket - 7 + bracket - 9 + 4 + 16
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Answered by
1
Answer:
Step-by-step explanation:
-7+(-9) +4+16
-7-9+20
-16+20=4
Answered by
1
Answer:
=(-7)+ (-9)+4 +16
= -7 - 9 +20
= -16 +20
= 4
Things to know
-(-) = +
+(-) = -
(+) (+) = +
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