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Dmitrij [34]
3 years ago
14

How do I solve 5x+1=7x+19

Mathematics
1 answer:
notsponge [240]3 years ago
5 0

Answer:

x=-9

Step-by-step explanation:

5x+1=7x+19

1 = 7x-5x +19

1-19 = 2x

-18/2 = x

x = -9

Hope this helps!

Please mark brainliest if you think I helped! Would really appreciate!

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3/x^2-1 - 2(x+3) = 5/x+1
weqwewe [10]

Answer:

X=1.132589

Step-by-step explanation:

If im correct the answer would be x=1.132589

3

x2−1

−2(x+3)=

5

x+1

3

(x+1)(x−1)

+−2x−6=

5

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Multiply all terms by (x+1)(x-1) and cancel:

3+(−2x−6)(x+1)(x−1)=5(x−1)

−2x3−6x2+2x+9=5x−5(Simplify both sides of the equation)

−2x3−6x2+2x+9−(5x−5)=5x−5−(5x−5)(Subtract 5x-5 from both sides)

−2x3−6x2−3x+14=0

(Use cubic formula)

x=1.132589

And dont forget to check your answer

3 0
3 years ago
HI PLS HURRY !!
VARVARA [1.3K]

Step-by-step explanation:

234751

100% sure

Goood luck.

5 0
2 years ago
Which expression is equivalent to 8x-2x+x+x<br><br> a. 4x<br> b. 8x<br> c. 6x-2x<br> d. 10x-2y
Deffense [45]
B - 8x

To find this, combine like terms.

8x - 2x is 6x, then add the two x's on the side to bring it back to 8x.

Hope this helps!
4 0
3 years ago
Read 2 more answers
Help. <br><br> Evaluate the following expression. <br><br> 1 x (-4 + (-8))
soldi70 [24.7K]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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Slove 2/3 (6w-18)=12
Ghella [55]

Hello, the answer is simple it is W=6

7 0
3 years ago
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