Question

2)Responda as equações
a)27h-3h=35+17h

b)7y+55-y+8=31

c)5(3-2a)=55

d)27=3(x+3)

e)10-2x=3x

f)4x-3 -x+8=11

g)6(x-2)=12

h)9+2(5x-4)=21

i)10x+4(3 -2x)-6=8

j)3(5 +3x)+5(-x -1)=22​

Answer 1

Resposta:

Explicação passo-a-passo:

a)27h-3h=35+17h

27h - 3h -17h = 35

7h = 35

h = 35/7

h = 5

b)7y+55-y+8=31

7y - y = 31 - 8 - 55

6y = - 32

y = -32/6

c)5(3-2a)=55

15 - 10a = 55

- 10a = 55 - 15

-10a = 40

a = 40/-10

a = -4

d)27=3(x+3)

27 = 3x + 9

3x + 9 = 27

3x = 27-9

3x = 18

x = 18/3

x = 6

e)10-2x=3x

-2x -3x = -10

-5x = -10

x = -10/-5

x = 2

f)4x-3 -x+8=11

4x -x = 11 + 3 - 8

3x = 6

x = 6/3

x = 2

g)6(x-2)=12

6x - 12 = 12

6x = 12 + 12

6x = 24

x = 24/6

x = 4

h)9+2(5x-4)=21

9 + 10x - 8 = 21

10x = 21 + 8 - 9

10x = 20

x = 20/10

x = 2

i)10x+4(3 -2x)-6=8

10x + 12 - 8x - 6 = 8

10x - 8x = 8 - 12 + 6

2x = 2

x = 2/2

x = 1

j)3(5 +3x)+5(-x -1)=22​

15 + 9x - 5x - 5 = 22

9x - 5x = 22 + 5 - 15

4x = 12

x = 12/4

x = 3