1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
True [87]
2 years ago
5

5x+4(-x-2) = -5x + 2(x-1)+12 solve for x

Mathematics
2 answers:
Zielflug [23.3K]2 years ago
8 0

Answer:

\boxed{x = 4.5}

Step-by-step explanation:

\mathrm{5x + 4( - x - 2) =  - 5x + 2(x - 1) + 12}

Distribute 4 through the parentheses

Similarly, Distribute 2 through the parentheses

\mathsf{  5x - 4x - 8 =  - 5x + 2x - 2 + 12}

Collect like terms

\mathsf{ x - 8 =  - 3x - 2 + 12}

Calculate the sum

\mathsf{x - 8 =  - 3x + 10}

Move variable to L.H.S and change its sign

Similarly, Move constant to R.H.S and change its sign

\mathsf{ x + 3x = 10 + 8}

Collect like terms

\mathsf{4x = 10 + 8}

Calculate the sum

\mathsf{4x = 18}

Divide both sides of the equation by 4

\mathsf{ \frac{4x}{4}   = \frac{18}{4}}

Calculate

\mathsf{x = 4.5}

Hope I helped!

Best regards!

vivado [14]2 years ago
3 0

Hello!

Answer:

\huge\boxed{x = 4.5}

Starting with:

5x + 4(-x - 2) = -5x + 2(x - 1) + 12

Distribute terms outside of the parenthesis:

5x + 4(-x) + 4(-2) = -5x + 2(x) + 2(-1) + 12

5x - 4x - 8 = -5x + 2x - 2 + 12

Combine like terms:

x - 8 = -3x + 10

Isolate for the "x" variable by adding 3x for both sides:

4x - 8 = 10

Add 8 to both sides:

4x = 18

Divide both sides by 4:

x = 18/4

x = 4.5

Hope this helped! :)

You might be interested in
What is the measure compliment for 57 degrees
puteri [66]
To find this, simply subtract 57 from 90. 90 is the measurement for a completed compliment equation, and 57 is the part of the compliment we know.

33 is the answer
7 0
3 years ago
I need help ASAP please. (Ill give 15 points if you help!)
natulia [17]

Answer:

Please mark me as a brainlist.............

Thank you.....

5 0
2 years ago
Read 2 more answers
Complete the square to transform the expression x2 + 4x + 2 into the form a(x − h)2 + k.
Nina [5.8K]

Answer:

Step-by-step explanation:

y = (x^2 + 4x)      + 2

Take 1/2 of the linear term 4/2 = 2 and square that result. 2^2 = 4.

Put it after 4x

y = (x^2 + 4x + 4)   +2  Subtract what you put inside the brackets on the outside.

y = (x^2 + 4x + 4) + 2 - 4      Combine the right.

y = (x^2 + 4x + 4) - 2            Express the brackets as a square.

y = (x + 2)^2 - 2

That's your answer

a = 1

h = 2

k = -2

3 0
3 years ago
if you horizontally shift the square root parent function, F(x) = <img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%7D" id="TexFormu
Juli2301 [7.4K]

ANSWER

g(x) =  \sqrt{x + 4}

EXPLANATION

The parent square root function is

f(x) =  \sqrt{x}

The translation

g(x ) =  \sqrt{x + k}

Will shift the graph of f(x) k units to left.

The translation

g(x) =  \sqrt{x -k}

will shift the graph of f(x) to the right by k units.

Therefore if f(x) is shifted 4 units to the left its new equation is:

g(x) =  \sqrt{x + 4}

7 0
2 years ago
In which step does a mistake first occur? please help!
Leya [2.2K]

Answer:

step 1

Step-by-step explanation:

8÷2+(3x3-2)

8÷2+(9-2)

8÷2+(7)

4+7

=11

3 0
2 years ago
Read 2 more answers
Other questions:
  • Which set of numbers could be the lengths of the sides of a triangle?
    10·1 answer
  • Heidi grew her hair out for many years. Her hair was 12/10 of a meter long. She donated her hair by cutting off 5/6 of a meter.
    5·1 answer
  • Find the value of x. <br> a) 2<br> b) 4<br> c) 6<br> d) 8
    15·1 answer
  • Find the linear trend forecast for period 8 given the following data:  Period            Sales 1                     19 2       
    11·1 answer
  • 2.5 x 13.7<br> 4.9 + 1.6<br> Write down your full calculator displ
    6·1 answer
  • The bike store marks up the wholesale cost of all of the bikes they sell by 30%.
    6·2 answers
  • What is 61% of 524? <br> Thanks
    11·2 answers
  • Simplify the following expression (87x + 63y) - (6x + 32y)
    11·1 answer
  • Please help me with this question
    6·1 answer
  • Complete the two-column proof by providing the missing statements or reasons.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!