baeethtsadia
30.01.2020 •
Mathematics
Solve each equation and check your solution5y-4=9y+8
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Ответ:
Subtract 5y from both sides
-4=4y+8
Subtract 8 from both sides
-12=4y
Divide both sides by 4
-3=y
Check by plugging it in:
5(-3)-4=9(-3)+8
-15-4=-27+8
-19=-19
True
Final y=-3
Ответ:
I can't give you a correct answer. I do know that the range is the highest and lowest points of the graph. So, it has to be -3,3. But, I always get confused on what type of parenthesis to use.
Step-by-step explanation:
I would probably use the [ ] since, the numbers are the ends of the line.
I am sorry to not being able to give you a complete and correct answer.