Question

8-Resolva as equações:
A) 6x=2x+16
B)2x-5=x+1
C)2x+3=x+4
D)5x+7=x+10
E)4x-10=2x+2
F)4X-7=8x-2
G)2x+1=4x-7
H)9x+9+3x=15
I)16x-1=12x+3
J)3x-2=4x+9
L)5x-3+x=2x+9
M)17x-7x=x+18
N)x+x-4=17-2x+1
O)x+2x+3-5x=4x-9
P)5x+6x-16=3x+2x-4
Q)5x+4=3x-2x+4

Answer 1

A_

6x=2x+16

-2x+6x=16

4x=16

x=4

B_

2x-5=x+1

-x+2x=1+5

x=6

C_

2x+3=x+4

-x+2x=4-3

x=1

D_

5x+7=x+10

-x+5x=10-7

4x=3

x=0,75

E_

4x-10=2x+2

-2x+4x=2+10

2x=12

x=6

F_

4x-7=8x-2

-8x+4x=-2+7

-4x=5

x=-1,25

G_

2x+1=4x-7

-4x+2x=-7-1

-2x=-8

x=4

H_

9x+9+3x=15

9x+3x=15-9

12x=6

x=0,5

I_

16x-1=12x+3

-12x+16x=3+1

4x=4

x=1

J_

3x-2=4x+9

-4x+3x=9+2

-x=11

x=-11

K_ ????

????? não tem

L_

5x-3+x=2x+9

-2x+6x=9+3

4x=12

x=3

M_

17x-7x=x+18

-x+10x=18

9x=18

x=2

N_

x+x-4=17-2x+1

2x+2x=18+4

4x=22

x=5,5

O_

x+2x+3-5x=4x-9

-2x=-9-3

2x=12

x=6

P_

5x+6x-16=3x+2x-4

-5x=11x=-4+16

6x=12

x=2

Q_

5x+4=3x-2x+4

-x+5x=4-4

4x=0

x=0

Espero ter ajudado