15-20 is -5. If you put 15 on a number line and go back twenty spaces you land on -5 hope this helps.
Answer:
HI
Step-by-step explanation:
4400 because you multiply 5000 with 0.88 to get your answer.
A) He wanted to create zero pairs on the left side of the equation to get a positive coefficient of x on the right side
Answer:
5/7
Step-by-step explanation:
B
