On my math homework there are problems that confuse me...
1) -[21 + (-7)] = ( -9 +11) =
;) Help!!!!!!!
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On my math homework there are problems that confuse me...
1) -[21 + (-7)] = ( -9 +11) =
;) Help!!!!!!!
Are these two different problems?
-[21 + (-7)] =
-[21 -7] =
-[14] =
-14 = -14
(-9 +11) =
-9 +11 =
11 - 9 =
2 = 2