Answer:
yes
Step-by-step explanation:
you can tell because all of the x-values are different, or they dont repeat. a function is no repeating x-values.
Let smaller number be x/2 and the larger number x.
x/2 + x = 81
x/2 + x = 3x/2
3x/2 = 81
3x = 162
x= 54
The smaller number is 54/2= 27 and the larger number is 54.
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Answer:
x=5
Explanation:
We need to get x to stand by itself on one side of the equation.
4x-2 = 3x+3 ← add 2 to each side
4x = 3x+5 ← subtract 3x from each side
x = 5 ← final answer
Answer:
17
Step-by-step explanation:
Vertically opposite angles are equal
so
7x - 9 = 110
7x = 119
x = 17
