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Mila [183]
3 years ago
6

Solve for X. 3+x=2-3x

Mathematics
2 answers:
DedPeter [7]3 years ago
7 0

Answer: x=0.425

Step-by-step explanation:  Subtract .3.3 from both sides.

x=2-3x-.3x=2−3x−.3

Simplify  2-3x-.32−3x−.3  to  -3x+1.7−3x+1.7.

x=-3x+1.7x=−3x+1.7

Add 3x3x to both sides.

x+3x=1.7x+3x=1.7

Simplify  x+3xx+3x  to  4x4x.

4x=1.74x=1.7

Divide both sides by 4.

x= 1.7 over 4

Simplify  \frac{1.7}{4}

​4

​

​1.7

​​   to  0.4250.425.

x=0.425x=0.425

Papessa [141]3 years ago
5 0

Answer:

x= -1/4 , -.25,

Step-by-step explanation:

move terms, collect the like terms, calculate, divide both sides by 4

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Factor 6u^2·(2u−5)^2−12u^2·(2u−5)·(u+5)
AlexFokin [52]

Start with

6u^2(2u-5)^2-12u^2(2u-5)(u+5)

We can factor a 6 from both terms:

6\big(u^2(2u-5)^2-2u^2(2u-5)(u+5)\big)

We can also factor u^2

6u^2\big((2u-5)^2-2(2u-5)(u+5)\big)

Finally, both terms inside the parenthesis contain a factor of 2u-5

6u^2(2u-5)\big((2u-5)-2(u+5)\big)

Finally, we can simplify the terms inside the parenthesis:

6u^2(2u-5)\big(2u-5-2u-10\big) = 6u^2(2u-5)\big(-15) = -90u^2(2u-5)

7 0
3 years ago
Simplify 7x-4(x-8)=56
Lana71 [14]

Answer:

x=16

Step-by-step explanation:

7x-4(x-8)=56

Distribute -4 to x and 8

7x-4x+8=56

Combine 7x and -4x

3x+8=56

Subtract 8 on each side

3x=48

Divide both sides by 3

x=16

7 0
3 years ago
Read 2 more answers
Lucas plants 20% of his garden with cucumber plants. The cucumber plants cover an area of 24m square. What is the total area of
enyata [817]

Answer:

<em>120m square.</em>

Step-by-step explanation:

If on average 20% of the garden is equal to 24m square, 24m * 4 = 80%, which is 96.

96msq + 24msq = 120msq

7 0
4 years ago
Alicia can row 6 miles downstream in the same time it takes her to row 4 miles upstream.She rows downstream miles/hour faster th
disa [49]

Answer:

Option D. 9 mi/hr downstream, 6 mi/hr upstream

Step-by-step explanation:

<u><em>The complete question is</em></u>

Alicia can row 6 miles downstream in the same time it takes her to row 4 miles upstream. She rows downstream 3 miles/hour faster than she rows upstream. Find Alicia’s rowing rate each way

Define the variables

Let

x -----> Alicia's rowing rate downstream in miles per hour

y ----> Alicia's rowing rate upstream in miles per hour

we know that

The rate is equal to the distance divided by the time

so

The time is equal to the distance divided by the rate

we have

\frac{6}{x}=\frac{4}{y}

4x=6y

x=1.5y -----> equation A

x=y+3 ----> equation B

equate equation A and equation B

1.5y=y+3

1.5y-y=3

0.5y=3

y=6

<em>Find the value of x</em>

x=1.5(6)=9

therefore

Alicia's rowing rate downstream is 9 mi/h

Alicia's rowing rate upstream is 6 mi/h

6 0
4 years ago
Prove: an odd plus an odd equals an even
Brums [2.3K]

Answer:

Step-by-step explanation:

1+1=2

1+3=4

3+3=6

3+5=8

3+7=10

8 0
3 years ago
Read 2 more answers
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