Answer:
10
Step-by-step explanation
i took the test so i know this is right and i dont know if you still need the answer but here you go evidence shown in photo
Answer:
x = -30
Step-by-step explanation:
x - (-10) = -20
Subtracting a negative is adding
x+10 = -20
Subtract 10 from each side to isolate x
x+10-10 = -20-10
x = -30
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:
The first one on the left
Step-by-step explanation: