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olga2289 [7]
3 years ago
6

4x + 1 = 2x - 5 show all steps

Mathematics
2 answers:
Rina8888 [55]3 years ago
6 0

Step-by-step explanation:

4x+1=2x-5

4x-2x=-1-5

2x=-6 divide 2x in both side x= -3.

you have to put the variables on both sides the 4x stay positive because it was on the variable side, but 2x became -2x because it was on the exponent side. then you put 1 on the exponent side so it became negative you keep -5 because it Is on the exponent side. then you solve 4x-2x= 2x and -1-5= -6 then you divide 2x in both side and it is x=-3.

konstantin123 [22]3 years ago
3 0

How to solve your question

Your question is

4

+

1

=

2

−

5

4x+1=2x-5

4x+1=2x−5

Solve

1

Subtract  

1

1

1

from both sides of the equation

2

Simplify

3

Subtract  

2

2x

2x

from both sides of the equation

4

Simplify

5

Divide both sides of the equation by the same term

6

Simplify

Solution

=

−

3

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lukranit [14]
(2^6)=1
take log on both sides,
xlog(2^6)=log(1)=0
=>
x=0, since log(2^6)>0

5^0=1
there is no value of x appearing in the equation, so x can be any valid number.
5 0
3 years ago
Another stack of books is 43 inches tall. Each book is 1/2 inch thick. Write an expression that represents the number of books i
enyata [817]

Answer:

86 books

Step-by-step explanation:

A stack of books is 43 inches tall.

Each book is \frac{1}{2} inch thick.

To find the number of books in tha stack, divide the height of the stack by the height of the book:

43:\dfrac{1}{2}

The division by the fraction \frac{1}{2} is equivalent to the multiplication by the fraction \frac{2}{1}, so

43:\dfrac{1}{2}=43\cdot \dfrac{2}{1}=43\cdot 2=86

5 0
3 years ago
Find the perimeter of the shape right triangle do not forget to label your answer with units 19cm15cm5cm
alina1380 [7]

Answer:

39cm

Step-by-step explanation: 19cm+15cm+5cm=39

4 0
3 years ago
There are 30 students in Mr. Shawn’s class and 60% of the students are above 12 years old. How many students are above 12 years
VMariaS [17]

Answer:

the answer is a 18 as 60 percent of 30 is 18

hope it helps

4 0
3 years ago
1. What is the factored form of 4x2 + 12x + 5? (1 point) (2x + 4)(2x + 3) (4x + 5)(x + 1) (2x + 1)(2x + 5) (4x + 1)(x + 5) 2. Wh
aleksandr82 [10.1K]
(2x + 4) ( 2x + 3) = 4x² + 6x + 8x + 12 = 4x² +14x + 12
(4x + 5) (x + 1) = 4x² + 4x + 5x + 5 = 4x² + 9x + 5
(2x + 1) (2x + 5) = 4x² + 10x + 2x + 5 = 4x² + 12x + 5
Question one is (2x + 1) (2x + 5)

7 0
3 years ago
Read 2 more answers
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