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3 years ago

2(x−4)+3x=7 solve for x

Mathematics

2 answers:

anyanavicka [17]3 years ago

8 0

Answer:

x = 3

Step-by-step explanation:

mk so here's a story I literally wrote down an ENTIRE on how to solve this problem and the stupid thing got deleted sooo ur on ur own kid HOWEVER am 100% positive this is the correct answer so <em>enjoy </em>:)

(btw try using Symbolab, I use it all the time it gives the correct answer and it gives good explanations)

sesenic [268]3 years ago

7 0

Answer:

x = 3

Step-by-step explanation:

5x - 8 + 8 = 7 + 8

5x = 15

5x/5 = 15/5

15 divided by 5 equals 3

Hope this helped you out :)

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Simplify the sum.<br> (4u3 + 4u2 + 2) + (6u3 – 2u + 8)

Elan Coil [88]

Answer:

$10u^{3}+4u^{2}-2u+10$ or $2(5u^{3}+2u^{2}-u+5)$

Step-by-step explanation:

we have

$(4u^{3}+4u^{2} +2)+(6u^{3}-2u+8)$

step 1

Group terms that contain the same variable

$(4u^{3}+6u^{3})+(4u^{2})+(-2u)+(2+8)$

step 2

Combine like terms

$(10u^{3})+(4u^{2})+(-2u)+(10)$

step 3

Eliminate parenthesis

$10u^{3}+4u^{2}-2u+10$

step 4

Factor the number $2$

$2(5u^{3}+2u^{2}-u+5)$

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3 years ago

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3 years ago

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