First number is (x).
Second number is (2x+7).
Third number is (x-12).
Their sum is (x+2x+7+x-12).
x+2x+7+x-12 =131
You can simplify this equation
4x-5=131,
4x=136
x=136/4=34 (first number),
(2x+7)=34*2+7=75 (second number)
34-x=34-12 =22(third number)
Check: 34+75+22=131
Because the question does not state how many people the cows would be divided among, an unsolvable equation could be 169/x=y.
X being the amount of people and y being the output.
Probably brand A because it weights the least amount so then you can get more shingles in one lift since it needs to be at the most 650 pounds per lift.
Answer:
true
Step-by-step explanation:
each x-value have exactly only one y-value
