Question

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

7(x-2)=5(x-3)

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

Answer 1

Resposta:

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

6x - 6 = - 2x - 6

6x = - 2x

6x + 2x = 0

8x = 0

x = 0/8

x = 0

7(x - 2) = 5(x - 3)

7x - 14 = 5x - 15

7x - 5x = - 15 + 14

2x = - 1

x = - 1/2

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

9x - 3 = 6x + 4

9x - 6x = 4 + 3

3x = 7

x = 7/3

Answer 2

Resposta:

$a)3(2x - 2) = - 2(x + 3) \\ 6x - 6 = - 2x - 6 \\ 6x = - 2x \\ 6x + 2x = 0 \\ 8x = 0 \\ x = 0/8 \\ x = 0$

$b)7(x - 2) = 5(x - 3) \\ 7x - 14 = 5x - 15 \\ 7x - 5x = - 15 + 14 \\ 2x = - 1 \\ x = - 1/2 \\ x = - 0,5$

$c)3(3x - 1) = 2(3x + 2 )\\ 9x - 3 = 6x + 4 \\ 9x - 6x = 4 + 3 \\ 3x = 7 \\ x = 7/3$

• Espero ter ajudado.