Answer:
Shortest=5, medium=9, longest=10
Step-by-step explanation:
x+x+5+x+4=24
3x+9=24
3x=15
x=5
Answer:
z=1
Step-by-step explanation:
3z+(-4)=-1
Add 4 to each side
3z+(-4) +4=-1+4
3z = 3
Divide each side by 3
3z/3 = 3/3
z=1
Answer:
A) -56
Step-by-step explanation:
B) First, you have to ignore the plus sign, and recognize that the second negative number means you are subtracting that number.
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