Respuesta:
A. ) - (2x + 4) + 6 = - 2
-2x - 4+6=-2
-2x +2 =-2
-2x =-2-2
-2x = - 4 ; x=-4/-2=2
b) - 3(2x - 3) + 1 = 16
-6x+9+1=16
-6x+10=16
-6x=16-10
-6x=6; x=-6/6= 1
c)4(2x - 1) - 6 = 14
8x-4 - 6 =14
8x - 10 = 14
8x = 14+10
8x = 24 ; x = 24/8 ; x=3
a)10x + 2 = - 13
10x =-13-2
10x = - 15
X = - 15/10 ; x = 3/2
b) - 7x - 8 = 3x - 2
-7x-3x= - 2+8
-10x = 6 ; x=-6/10 ; x = - 3/5
c) - 1 + 2(3x - 1) = 1
-1 +6x-2 = 1
6x = 1+1+2
6x =4
X=4/6 ; x = 2/3
a)0.3x= 1.2
X=1.2/0.3 ; x = (12/10)/(3/10) = 120/30 = 4
b)0.09x = - 0.27 ; x = - 0.27/0.09
X= (-27/100)/(9/100)
X=-2700/900 = - 3
c - 0.25x = 0.75 ; x = 0.75/-0.25
X= (75/100)/(-25/100)
X=7500/-2500 = - 3
d) - 0.4x = 1.2 ; x = 1.2/-0.4
X = (12/10)/(-4/10)
X= 120/-40 = - 3
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Verified answer
Respuesta:
A. ) - (2x + 4) + 6 = - 2
-2x - 4+6=-2
-2x +2 =-2
-2x =-2-2
-2x = - 4 ; x=-4/-2=2
b) - 3(2x - 3) + 1 = 16
-6x+9+1=16
-6x+10=16
-6x=16-10
-6x=6; x=-6/6= 1
c)4(2x - 1) - 6 = 14
8x-4 - 6 =14
8x - 10 = 14
8x = 14+10
8x = 24 ; x = 24/8 ; x=3
a)10x + 2 = - 13
10x =-13-2
10x = - 15
X = - 15/10 ; x = 3/2
b) - 7x - 8 = 3x - 2
-7x-3x= - 2+8
-10x = 6 ; x=-6/10 ; x = - 3/5
c) - 1 + 2(3x - 1) = 1
-1 +6x-2 = 1
6x = 1+1+2
6x =4
X=4/6 ; x = 2/3
a)0.3x= 1.2
X=1.2/0.3 ; x = (12/10)/(3/10) = 120/30 = 4
b)0.09x = - 0.27 ; x = - 0.27/0.09
X= (-27/100)/(9/100)
X=-2700/900 = - 3
c - 0.25x = 0.75 ; x = 0.75/-0.25
X= (75/100)/(-25/100)
X=7500/-2500 = - 3
d) - 0.4x = 1.2 ; x = 1.2/-0.4
X = (12/10)/(-4/10)
X= 120/-40 = - 3