Question

1) RESOLVA AS EXPRESSÕES :
A) 4X + 10= 2X + 40
B) 6X -6 = 2X +30
C) 80 -20 = 6X -2X
D) 10X -30 = 100 +4X
E) 300 +8X = 3X -50

Answer 1

Resposta:

Olá!!!

A)4x-2x=10-40

2x=30

x=30/2

x=15

B)6x+2x=6+30

8x=36

x=36/8

x=4,5

C)6x+2x=80+20

8x=100

x=100/8

x=12,5

D)10x-4x=100+30

6x=130

x=100/6

x=16,6

E)8x-3x=300+50

5x=350

x=350/5

x=70

ATT:MIRANDA;)

Answer 2

A) 4x - 2x = 40 - 10
2x = 30
x = 15
B) 6x - 2x = 30 + 6
4x = 36
x = 9
C) 60 = 4x
15 = c
D) 10x - 4x = 100 + 30
6x = 130
x = 130/6
E) 8x - 3x = -300 - 50
5x = - 35
x = -7