Answer:
the answer is 2
Step-by-step explanation:
2-(-5)=7
remember keep,change,flip
the new equation will be
2+5=7
The correct answer is letter B, (6,-1).
When you substitute this ordered pair on the equations, you would found out is the correct one.
Answer:
B. 77
Step-by-step explanation:
7 + x = 84
Subtract 7 from both sides
x = 77