Answer:
12
Step-by-step explanation:
7-(-5) = 7+5
7+5 = 12
7-(-5) = 12
Answer:
1598.2
Step-by-step explanation:
I used a calculator on this one.
Answer:
day 1 5 day 2 8 day 3 2.5 day 4 10 day 5 10 altogether is 35.5
Step-by-step explanation:
5+3=8
5/2=2.5
5*2=10
5*2=10
10+10+8+5+2.5=35.5
2x+3=7
2x+3-3=7-3
Whenever moving a number to the other side you have to change the sign .
2x= 4
x=2