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IrinaK [193]
3 years ago
6

Solve the equation -5(x-2)=-(x+6)

Mathematics
2 answers:
Tems11 [23]3 years ago
6 0

Steps to solve:

-5(x - 2) = -(x + 6)

~Simplify both sides

-5x + 10 = -x - 6

~Subtract 10 to both sides

-5x = -x - 16

~Add x to both sides

-4x = -16

~Divide -4 to both sides

x = 4

Best Of Luck!

AnnZ [28]3 years ago
3 0

Answer:

\huge{ \bold{ \huge{ \boxed{ \sf{x = 4}}}}}

Step-by-step explanation:

\sf{ - 5(x - 2) =  - (x + 6)}

Distribute -5 through the parentheses in left hand side

Similarly, distribute ( - ) sign through the parentheses in right hand side

\longrightarrow{ \sf{ - 5x + 10 =  - x  - 6}}

Move x to left hand hand side and change it's sign

Similarly, move 10 to right hand side and change it's sign

\longrightarrow{ \sf{ - 5x + x =  - 6 - 10}}

Collect like terms

\longrightarrow{ \sf{ - 4x =  - 6 - 10}}

The negative integers are always added but posses the negative ( - ) sign

\longrightarrow{ \sf{ - 4x =  - 16}}

Divide both sides by -4

\longrightarrow{ \sf{ \frac{ - 4x}{ - 4}  =  \frac{ - 16}{ - 4}}}

Calculate

\longrightarrow{ \sf{x = 4}}

Hope I helped!

Best regards! :D

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Klio2033 [76]

Answer:

First evaluate 4^t

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8 0
4 years ago
Megan went to the store and bought 4 notebooks and 9 pencils for a total of $8.25. Joanne went to the same store and bought 7 no
Rzqust [24]
Let notebooks be x and let pencils be y

4x+9y=8.25 (equation 1)
7x+14y=14.00 (equation 2)

Multiply equation 1 by 7
So that you get 28x+63y=57.75

Multiply equation 2 by 4
So that you get 28x+56y=56.00

28x+63y=57.75 -
28x+56y=56.00
-----------------------
7y=1.75

Divide both sides by 7
1.75/7 is 0.25

So, now we know that one pencil costs 0.25 cents

Sub this y value into equation one

4x+9(0.25)=8.25

4x+2.25=8.25

Move 2.25 to the other side as a negative number

4x= 6

Divide both sides by 4

6/4 is $1.50

So, one pencil is equal to 0.25 cents and one notebook is equal to $1.50
5 0
3 years ago
What is (f - g)(x)?<br> f(x) = -3x² - 10x<br> g(x) = x2+6x
Anastaziya [24]

Answer:

Step-by-step explanation:

-3x^2 - 10x - x^2 - 6x

-4x^2 - 16x

5 0
4 years ago
Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
Darya [45]
25 is the output when the input is 4
4 0
3 years ago
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Anna [14]

Answer:

{x}^{4}  = 2880

Step-by-step explanation:

{y}^{2}  = 20 \: (eq . \: 1)

{x}^{2}  =  {(2 \sqrt{3y)} }^{2}  = 12y

Putting value of eq. 1 in the following:

{x}^{4 }  =  {(12y)}^{2}  = 144{y}^{2}  = 144 \times 20 = 2880

5 0
3 years ago
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