Question

A ) 2x=16-(x+9)

B ) 7×(x-1)=2×(3x+1)

C ) 2÷3 -x=5x+1

Boa sorte

Ps : quero as contas ​

Answer 1

Resposta:

a)x=7/3

b)x=9

c)x=-2

Explicação passo-a-passo:

a) 2x=16-(x+9)

2x=16-x-9

2x+x=16-9

3x=7

x=7/3

b)7•(x-1)=2•(3x+1)

7x-7=6x+2

7x-6x=2+7

x=9

c)2/3-x=5x+1

-x-5x=1-2/3

-6x=3/3 - 2/3

6x= -3/3+2/3

6x= -1/3

x= -1/3/6

x= -1/0.5

x= -2/1

x= -2