8/27/2013
23 Comments
25 - (-28) - [ 57 - ( - 86 - 19 ) ] 25 - (-28) - [57+105)]
25 - (-28) - [ 57 - ( - 86 - 19 )] 25 - (-28) - [ 57 +105) ] 25 - (-28) - [162)] 25 - (-192)]
#1. 25 - (-28) - [ 57 - ( - 86 - 19 ) ] 25-(-28)-[57+105]=165 #2. 3x + 3 - 2x = -8
Good job
1x+3=-3=-11
#1=165 #2=8
25-(-28)-[57-(-87-19)] = -109
#1-2 #2-4
Yes
3x+3-2x=-8 1x+3=-8 1x=-11 X=-11
3x + 3 - 2x = -8 1x + 3 = -8 1x = -11 X = -11
3x+3-2x=-8 3/x+3-2/x=-8 1x+3=-8 -3 -3 X=-11
3x+3 -2x = -8 1x+3= -8 X= -11
3x+3-2x= -8 1x+3= -8 -3. -3 X= -11 Second problem
#2. 3x + 3 - 2x = -8
7x + 2 + 14x = -7
25 - (-28) - [ 57 - ( -86 -19 ) ] = -109
7x+2+14x=-7 21x+2=-7 21x=-9 X=-9/21
7x+2+14x= -7 21x+2 = -7 -2. -2 21x = -9 X= -9 21
#3 x=-9/21
7x+2+14x=-7 21x +2 = -7 -2. -2 0. -9 21x/21 X= -9\21
X=-9/21
7x+2+14x= -7 21x+2= -7 21x= -9/21
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