Question

I will take a picture and show u my math

Answer 1

Step-by-step explanation:

1) 3 - 4

Solving wih an equivalent addition problem:

Change the subtraction to addition. Subtracting 4 is the same as adding -4

3 + (-4) = -1

2) -3 - 4

Change the subtraction to addition. Subtracting 4 is the same as adding -4

-3 + (-4) = -7

3) -3 - (-4)

Change the subtraction to addition. Subtracting -4 is the same as adding +4

-3 + 4 = 1

4) 3 - (-4)

Change the subtraction to addition. Subtracting -4 is the same as adding +4

3 + 4 = 7