Question

Resolva as equações

a) 9x = 56

b) X – 9 = 12

c) 7X – 8 = 4x + 4

d) 2X + 4 = x + 9

e) 12X – 8 = 10x + 6

f) 8x = 48

g) 6x = 54

h) 14X – 5 = 4x + 5

i) X – 12 = 20

j) 4X – 6 = 2x + 4
me ajudem por favor!!​

Answer 1

Resposta:

A) x = 56/9

x = 6,222...

B) x = 12 + 9

x = 21

C) 7x - 4x = 4 + 8

3x = 12

x = 12/3

x = 4

D) 2x - x = 9 - 4

x = 5

E) 12x - 10x = 6 + 8

2x = 14

x = 14/2

x = 7

F) x = 48/8

x = 6

G) x = 54/6

x = 9

H) 14x - 4x = 5 + 5

10x = 10

x = 10/10

x = 1

I) x = 20 - 12

x = 8

J) 4x - 2x = 4 + 6

2x = 10

x = 10/2

x = 5