Answer:
7
Step-by-step explanation:
1/2(x)=7/2
divide both sides by 1/2
x=÷
x=·
x=14/2=7
Please help me on this math please
1 answer:
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4: im not sure how to solve this or how to get the answer
5:
Distribute the Negative Sign:
= 3x^2+2x−3+−1(4x^2−8x+23)
= 3x^2+2x+−3+−1(4x^2)+−1(−8x)+(−1)(23)
= 3x^2+2x+−3+−4x^2+8x+−23
Combine Like Terms:
= 3x^2+2x+−3+−4x^2+8x+−23
= (3x^2+−4x^2)+(2x+8x)+(−3+−23)
= −x^2+10x+−26
Answer:
−x^2+10x−26
6: Distribute the Negative Sign:
= −13n^2−3n−6n^4+−1(13n^2+11n−2n^4)
= −13n^2+−3n+−6n^4+−1(13n^2)+−1(11n)+−1(−2n^4)
= −13n^2+−3n+−6n^4+−13n^2+−11n+2n^4
Combine Like Terms:
= −13n^2+−3n+−6n^4+−13n^2+−11n+2n^4
= (−6n^4+2n^4)+(−13n^2+−13n^2)+(−3n+−11n)
= −4n^4+−26n^2+−14n
Answer:
=−4n^4−26n^2−14n
7: and in math means to add
Combine Like Terms:
=4y^3+−8y+−y^3+5
=(4y^3+−y^3)+(−8y)+(5)
=3y^3+−8y+5
Answer:
=3y^3−8y+5
8: Answer choice 3
−5x^2+5x−2
9: answer is −8y
i had this in my notes from a while ago on my laptop so please see the image on how to solve this!
i hope this helps a lot!
