If a is positive and b is negative when is a-b negative

+(−)Two unlike signs become a negative sign(-)

Step-by-step explanation:

For example

7+(−2)

= 7 − 2

= 5

here two unlike signs become a negative sign...

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

where are the images of the functions i can only see the question you typed.

step-by-step explanation: