Answer:
Step-by-step explanation:
7x + 24x = 25 x
31 x = 25 x
Subtracting 25x to both sides
31x - 25x = 0
6x = 0
Dividing both sides by 6
=> x = 0
Somebody please answer this fast!!! Show the answer thanks!
2 answers:
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Answer:
Step-by-step explanation:
Given: Trey's test score average decreased by 14 points this semester.
To find: a signed number to represent this change in average.
Solution:
The decrease can be denoted by minus sign and increase can be denoted by plus
sign.
So, a signed number to represent the change in test score average is