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Olin [163]
3 years ago
15

X=2x+3-17 how do i solve this

Mathematics
2 answers:
nikitadnepr [17]3 years ago
5 0

Answer:

x=-4.67

Step-by-step explanation:

add like terms 3-17

then take x=2x-14

add 2x to both sides

3x=-14

divide by 3 and you get your answer

Paladinen [302]3 years ago
5 0

Answer:

x = 14

Step-by-step explanation:

x = 2x + 3 - 17

x = 2x - 14  ( put together like terms )

x - 2x = -14  ( subtracted 2x from the right side and placed it on the left )

-x = -14 ( like terms )

x = 14 ( subtraction signs cancelled each other out )

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ISSS THISSSSS CORRECTTT??????please help
LenaWriter [7]

Answer:

I think that is correct, sorry is i get it wrong

7 0
3 years ago
Bob and rob in ratio 3:4 and their age 4 years ago was 5:7 find their ages
Trava [24]

Answer:

Present Day:

Bob:Rob:Difference

 3   :  4  :        1

 6   : 12  :       2

4 years ago:

Bob:Rob:Difference

    5 : 7 : 2

6 0
2 years ago
Over the last 2.5 years, the water level in a lake has changed by -0.3 feet per year. Scientists predict that the water level wi
klio [65]

Answer:

Step-by-step explanation:

A)

"In the last 2.5 years, the water level has decreased 0.75 feet."

In the very first statement it has been stated that over the last 2.5 years, the water level in a lake has changed by -0.3 feet per year. That means in the last 2.5 years , total decrease in level is as follows

2.5 x - 0.3 = - .75 ft .

So the statement is true.

B)

"The overall change of the water level after 7.5 years will be -2.75 feet."

This statement appears to be false based on information provided

No prediction regarding rate of decrease for a period beyond 5 year  has been made so any statement with respect to a timeline of 7.5 years may turn out to be false.

C)

"The change in water level each year for the next 5 years will be -0.4 feet. "

This statement prima-facie appears to be true  because rate of decrease stated in the statement is 0.4 ft /year for next 5 years .

D )

"The overall change in water level for the next 5 years is equal to 5(0.4)"

this statement is true

as change in one year = .4

change in 5 years = 5 x .4

5 0
2 years ago
A 20ft ladder leans up against the wall. if the ladder is 3ft from the wall, what angle does the ladder make with the ground
RoseWind [281]

<u>Answer:</u>

<h2>θ ≈ 81.37°</h2>

<u>Explanation:</u>

let the angle the ladder makes with the ground be θ

θ = cos⁻¹(3/20)

θ = cos⁻¹(0.15)

θ ≈ 81.37°

8 0
2 years ago
Write all the factors of <br> 28
artcher [175]
The factors are the following : 1, 2, 4, 7, 14, 28.
5 0
2 years ago
Read 2 more answers
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