Respuesta:
a) x> 3/2
Forma Decimal: 1.5
b)x< 6/7
Forma Decimal: 0.857143
plis corazoncito y coronita
Explicación paso a paso:
a)
3x + (-2x +5 ) < 3x +2
3x+−2x+5<3x+2
−2x+5<2
−2x<2−5
−2x<−3
x> -3/-2
x> 3/2
b)
x - 3(3x +2) > -(x +12)
x−3(3x+2)>−x−12
x−9x−6>−x−12
−8x−6>−x−12
−6>−x−12+8x
−6>7x−12
−6+12>7x
6>7x
6/7 >x
x< 6/7
a) 3x + (-2x +5 ) < 3x +2
[tex]3x-2x+5-3x<3x+2-3x\\\\-2x+5<2\\\\-2x+5-5<2-5\\\\-2x<-3\\\\2x>3\\\\\frac{2x}{2}>\frac{3}{2}\\\\x>\frac{3}{2}\\\\b) x - 3(3x +2) > -(x +12)\\\\-8x-6>-\left(x+12\right)\\\\-8x-6>-x-12\\\\-8x-6+6>-x-12+6\\\\-7x>-6\\\\7x<6\\\\\frac{7x}{7}<\frac{6}{7}\\\\x<\frac{6}{7}[/tex]
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Verified answer
Respuesta:
a) x> 3/2
Forma Decimal: 1.5
b)x< 6/7
Forma Decimal: 0.857143
plis corazoncito y coronita
Explicación paso a paso:
a)
3x + (-2x +5 ) < 3x +2
3x+−2x+5<3x+2
−2x+5<2
−2x<2−5
−2x<−3
x> -3/-2
x> 3/2
Forma Decimal: 1.5
b)
x - 3(3x +2) > -(x +12)
x−3(3x+2)>−x−12
x−9x−6>−x−12
−8x−6>−x−12
−6>−x−12+8x
−6>7x−12
−6+12>7x
6>7x
6/7 >x
x< 6/7
Forma Decimal: 0.857143
Respuesta:
Explicación paso a paso:
a) 3x + (-2x +5 ) < 3x +2
[tex]3x-2x+5-3x<3x+2-3x\\\\-2x+5<2\\\\-2x+5-5<2-5\\\\-2x<-3\\\\2x>3\\\\\frac{2x}{2}>\frac{3}{2}\\\\x>\frac{3}{2}\\\\b) x - 3(3x +2) > -(x +12)\\\\-8x-6>-\left(x+12\right)\\\\-8x-6>-x-12\\\\-8x-6+6>-x-12+6\\\\-7x>-6\\\\7x<6\\\\\frac{7x}{7}<\frac{6}{7}\\\\x<\frac{6}{7}[/tex]