Answer: 68n+11
Step-by-step explanation:
2(9n+8)-5(-10n+1)
(18n+16)-(-50n+5)
18n+16+50n-5
68n+11
Answer:
28.3
Step-by-step explanation:
i heard it was
Answer:
-3.75
Step-by-step explanation:
Answer: x=-2
Step-by-step explanation:
Given
f(x)=2(3x+7)-4(x-2)
f(x)=18
Use substitution method
2(3x+7)-4(x-2)=18
Expand parenthesis
6x+14-4x+8=18
Combine like terms
2x+22=18
Subtract 22 on both sides
2x+22-22=18-22
2x=-4
Divide 2 on both sides
2x/2=-4/2
x=-2
Hope this helps!! :)
Please let me know if you have any questions
Percentage of 9th graders that said no is approx. 14%
Percentage of opposers that were 9th graders is approx 6%