Com muita atenção resolva as inequacões abaixo: A)5x-12x+3x=30-12 B) 2x+2-3>x-5 C) 4x-7>3x-12 D) -2x.... Pergunta de ideia deSonata

October 2019 1 36 Report

Com muita atenção resolva as inequacões abaixo:

A)5x-12x+3x=30-12

B) 2x+2-3>x-5

C) 4x-7>3x-12

D) -2x <5-2

E) 2x-3 <5

F) 3x-27+5>2x-2

G) 2x+16 >18

H) 5-3x < x+13

I) 9x-2>3x+4

J) 6x+30 < x-5

Agradeço ♡♡♡

Lista de comentários

Juniortgod A)5x-12x+3x=30-12
-4x=18
x= $- \frac{18}{4}= -\frac{9}{2}$

B) 2x+2-3>x-5
2x-x>-5-2+3
x>-4

C) 4x-7>3x-12
4x-3x>-12+7
x>-5

D) -2x <5-2
-2x<3
x< $-\frac{3}{2}$

E) 2x-3 <5
2x< 5+3
2x<8
x< $\frac{8}{2}$
x<4

F) 3x-27+5>2x-2
3x-2x>-2+27-5
x>20

G) 2x+16 >18
2x>18-16
2x>2
x> $\frac{2}{2}$
x>1

H) 5-3x < x+13
-3x-x<13-5
-4x<8
x< $-\frac{8}{4}$
x<-2

I) 9x-2>3x+4
9x-3x>4+2
6x>6
x> $\frac{6}{6}$
x>1

J) 6x+30 < x-5
6x-x<-5-30
5x<-35
x< $- \frac{35}{5}$
x< -7

Espero ter ajudado amigo(a), bons estudos!