Question

resolva as equações ​

Answer 1

Resposta:

a) 2x+ 9x = 120

11x = 120

x= 120/11

b) 4x + 7 = 35

4x= 35-7

4x= 28

x= 28/4

x= 7

c) 6x - x = 30

5x= 30

x=30/5

x= 6

d) 9x + 2x + 5x = 32

16x= 32

x=32/16

x= 2

Explicação passo a passo: bons estudos

Answer 2

Resposta:

a) 2x+ 9x = 120

11x = 120

x= 120/11

b) 4x + 7 = 35

4x= 35-7

4x= 28

x= 28/4

x= 7

c) 6x - x = 30

5x= 30

x=30/5

x= 6

d) 9x + 2x + 5x = 32

16x= 32

x=32/16

x= 2