Question

A) 3(3x-1)=2(3x-2) b) 3(3x+3)-4(x-1)=3

Answer 1

A) 3(3x-1)=2(3x-2)

9x-3=6x-4

9x-6x=-4+3

3x= -1

X=1/3

Resp: X=1/3

B)3(3x+3)-4(x-1)=3

9x+9-4x+4=3

9x-4x=3-9-4

5x= -10

x=-10/5

X=-2

Resp: X=-2

Answer 2

Resposta:

a)

- 3x.(- 3) + 2 = 9x + 2

b)

- 3x.(- 2) + 2 = 6x + 2