2 x 4
– 3 x 3
+ 3 x – 1 ÷ 2 x + 1.

-2,5

Step-by-step explanation:

2 x 4 - 3 x 3 + 3 x (-1) : 2 x 1

= 8 - 9 - 3 : 2 x 1

= 8 - 9 - 1,5 x 1

= 8 - 9 - 1,5

= -2,5

3x-2:2x+1

Step-by-step explanation:

2*4-3*3+3x-1:2x+1

8-9+3x-1:2x+1

3x+8-10:2x+1

3x-2:2x+1

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2