Question

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Answer 1

Resposta:

a) x/2= 18

x = 18•2

x = 36

b) x/3= 5

x = 5•3

x = 15

c) x/4= 10

x= 10•4

x = 40

d) x/5= 8

x= 8•5

x= 40

e) x/6 = 11

x = 11•6

x = 66

f) x/7= 9

x= 9•7

x = 63

g) x/8 = 8

x= 8•8

x= 64

h) x/9= 12

x = 12• 9

x = 108

I) x/2= 1

x= 1•2

x= 2

j) x/6= 7

x= 7•6

x= 42

k) x/7=8

x= 8•7

x= 56

L) x/5= 18

x= 18•5

x= 90

m)2x+5/3=3

2x+5= 3•3

2x + 5 = 9

2x= 9+5

x = 14/2

x= 7

n) 3x+4/5= 2

3x+4= 2•5

3x+4= 10

3x= 10-4

x= 6/3

x= 2

o) 3x+8/5=4

3x+8= 4•5

3x+8 = 20

3x= 20-8

x = 12/3

x= 4

p) 4x-5/3=5

4x-5= 5•3

4x-5= 15

4x= 15+5

x= 20/4

x=5

q) 5x-4/6= 6

5x-4= 6•6

5x-4 = 36

5x= 36+4

x= 40/5

x=8

r) x+18/5=5

x+18= 5•5

x+18 = 25

x= 25-18

x = 7

s) x+8/4=6

x+8= 6•4

x+8= 24

x= 24-8

x=16

t) x-5/7= 1

x-5= 1•7

x= 7+5

x= 12

u) 2x+14/10=3

2x+14= 3•10

2x+14= 30

2x= 30-14

2x= 16

x= 16/2

x=8

v) 3x-3/8= 3

3x-3= 3•8

3x-3= 24

3x= 24+3

x= 27/3

x= 9

w) 4x+8/11=4

4x+8= 4•11

4x= 44-8

4x= 36

x= 36/4

x=9

x) 5x+10/9=5

5x+10= 5•9

5x+10 = 45

5x= 45-10

x= 35/5

x= 7

Explicação passo-a-passo:

espero ter ajudado :)

Answer 2

Resposta:

Explicação passo-a-passo:

A)

X/2=18

X = 2.18

x= 36

___________

B)

X/3=5

X = 3.5

X = 15

____________

C)

X/4=10

X = 4.10

X = 40

_________

D)

X/5=8

X = 5.8

X = 40

_________

E)

X/6=11

X = 6.11

X = 66

_________

F)

X/7= 9

X= 7.9

X = 63

_________

G)x/8=8

X = 8.8

X = 64

_________

H)

X/9=12

X = 9.12

X = 108

__________

I)

X/2=1

x = 2

____________

J)

X/6=7

X= 6.7

X = 42

________

K)

X/7=8

X= 7.8

X= 56

__________

L)

X/5=18

X = 5.18

X = 90

______________

M)

(2x+5)/3= 3

2x+5= 9

2x = 9-5

2x= 4

X= 4/2

X= 2

_______________

N)

(3x+4)/5=2

3x +4= 2.5

3X+4=10

3x = 10 - 4

3x = 6

X = 6/3

X = 2

________________

O)

(3x+8)/5= 4

3x+8= 20

3x = 20-8

3x = 12

X = 12/3

X = 4

______________

P)

(4x-5)/3 = 5

4x-5 = 15

4x = 15+5

4x = 20

X = 20/4

X = 5

_______________

Q)

(5x-4)/6 = 6

5x - 4 = 6.6

5x - 4 = 36

5x = 36+4

5x = 40

x = 40/5

X= 8

____________

R)

(X+18)/5= 5

X+18 = 25

X= 25-18

X = 7

__________________

S)

(X+8)/4 = 6

X+8= 24

X = 24-8

X= 16

__________________

T)

(X-5)/7= 1

X-5=7

X = 7+5

X= 12

________________

U)

(2x+14)/10 = 3

2x+14= 10.3

2x+14 = 30

2x = 30 - 14

2x = 16

X = 16/2

X= 8

_______________

V)

(3x-3)/8 = 3

3x-3 = 8.3

3X-3 = 24

3X= 24+3

3x = 27

X= 27/3

X= 9

____________

W)

(4x+8)/11 = 4

4x+8= 11.4

4x+8= 44

4x = 44-8

4x= 36

x = 36/4

x = 9

______________

X)

(5x+10)/9= 5

5x+10= 9.5

5x+10=45

5x = 45-10

5x = 35

X = 35/5

X = 7

R. : X = 7