3 years ago

2n + 5 = n - 5 Find the number that n is And please explain :)

Mathematics

2 answers:

irakobra [83]3 years ago

8 0

2n + 5 = n -5
2n -n =-5-5 (putting variables in one side and numbers in other)
n=-10

Archy [21]3 years ago

3 0

Answer:

-10

Step-by-step explanation:

You might be interested in

Plz, plz help ASAP!!!!!!! <br>WILL MARK BRAIINLIEST!!!!!!!!!!!!!!

icang [17]

Answer:

60=2*(3x-10)+2*(2x+5)

60=6x-20+4x+10

60=10x-10

70=10x

x=70/10

x=7

since HG=EF

SO HG=3x-10

which is (3*7)-10

=21-10=11

7 0

3 years ago

What is the equation of the line in the following graph? 1)y=x+2

Levart [38]

The slope-intercept form:

$y=mx+b$

m - slope

b - y-intercept

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have two points (2, 0) and (-2, -4). Substitute:

$m=\dfrac{-4-0}{-2-2}=\dfrac{-4}{-4}=1$

Therefore we have the equation of a line

$y=1x+b\to y=x+b$

Put the coordinates of the point (2, 0) to the equation:

$0=2+b$ <em>subtract 2 from both sides</em>

$-2=b\to b=-2$

Answer: $\boxed{y=x-2}\to\boxed{3)}$

8 0

4 years ago

Write the sentence as an inequality. Three is no less than a number x

vaieri [72.5K]

3 > x

3 is greater than or equal to x

4 0

3 years ago

I dontt get it plse hellp meeee

goblinko [34]

Answer:

there is nothing here

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

pls hurry what is the area if the parallelogram that has a base of 10 cm longer and a height of 7 inches taller than the paralle

Len [333]

Answer:

Area=bh

10.5 in^2 =(3/4 in) (h in)

h=10.5/(3/4)=10.5/.75=14 in

Height = 14 in.

7 0

3 years ago