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Pani-rosa [81]
3 years ago
7

2(x +5)=(x-4) ? Step by step

Mathematics
2 answers:
ExtremeBDS [4]3 years ago
7 0

\text {Hi There! Let's Solve this Problem!}

\text {\underline {The First Step is to Simplify}}

\text {2*x=2x}\\\text {2*5=10}

\text {Your New Problem Is: 2x+10=x-4}

\text {\underline {The Next Step is to Subtract x}}

\text {2x+10-x=x-4-x}

\text {Your New Problem Is: x+10=-4}

\text {\underline {The Final Step is to Subtract 10}}

\text {x+10-10 (Crosses Out)}\\\text {-4-10}

\text {Your Answer Would Be:}

\Huge\boxed {x=-14}

\text {Best of Luck!}

raketka [301]3 years ago
3 0

Answer:

Step-by-step explanation:

Here you go mate

Use PEMDAS

Parenthesis,Exponent,Multiplication,Division,Addition,Subtraction

Step 1

2(x+5)=(x-4)  Equation/Question

Step 2

2(x+5)=(x-4)  Remove parenthesis

2x+10=x-4

Step 3

2x+10=x-4  Subtract 1x from sides

x+10=-4

Step 4

x+10=-4  Subtract 10 from sides

answer

x=-14

Hope this helps

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What are the choices?
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4 years ago
A small plane flew 808 miles in 4 hours with the wind. Then on the return trip flying against the wind it travels only 488 miles
Blababa [14]

Answer:

Step-by-step explanation:

let wind velocity=x

speed of plane=y

(x+y)*4=808

x+y=808/4=202   ...(1)

(y-x)*4=488

y-x=122 ...(2)

add (1) and (2)

2y=202+122=324

y=324/2=162

from (1)

x+162=202

x=202-162=40

wind velocity=40 m/hr

speed of plane=162 m/hr

8 0
2 years ago
Tiana is on a 25-foot ladder that is leaning against her house. Its base is 7 feet from the base of the house. The ladder slips
Lostsunrise [7]

Answer:

4 ft downwards

Step-by-step explanation:

old height off the ground :

7^2+b^2=25^2

49+b^2=625

b^2=576

b=24

new height off the ground :

7+8=15

15^2+ b^2 =25^2

225+b^2 = 625

b^2 = 400

b=20

difference between heights :

24 - 20 =  4

4 0
4 years ago
Help me please on this
amid [387]
I do believe the answer is 52, sorry if i’m incorrect
4 0
3 years ago
PLEASE HELP MEEEEE
Elena-2011 [213]

Answer:

a = 36 and a = 27

Step-by-step explanation:

The geometric mean of two numbers is the square root of the product of the two numbers.

Say for example we have the numbers x and y, the geometric mean z is mathematically;

z = √xy

For the first question, our z is 12, x and y are 4 and a respectively.

12 = √4a

square both sides

144 = 4a

a = 144/4

a = 36

For the second question

z is 9, x and y are 3 and a respectively

9 = √3a

square both sides

81 = 3a

a = 81/3

a = 27

5 0
3 years ago
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