Iwill upvote!
find a solution to the following system of equations.
−2x + y = −3
−x + 2y = 3
a- (–3, –9)
b- (3, 3)
c- (–21, –9)
d- (0, 2)

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.