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Anna11 [10]
3 years ago
9

2x - 5 = 7

Mathematics
2 answers:
Katyanochek1 [597]3 years ago
7 0

Answer:

6

Step-by-step explanation:

See image below:)

sammy [17]3 years ago
4 0

Answer:

x=6

Step-by-step explanation:

take -5 and move it to the right of the equals sign.

the five would turn positive as it transfered to the opposite side.

then simplify 2x=7+5

you end with 2x= 12

now divide 12 by 2

hope this helps!

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Plz help stuck on the question
Gekata [30.6K]
The length of the rectangle is n-3, ok, the width is 2

the area of a rectangle is just length * width

\bf A=(n-3)(2)\implies \boxed{A=2n-6}
\\\\\\
\textit{to make some equivalent, let's use our good friend Mr 1}
\\\\\\
\textit{recall that }\cfrac{whatever}{whatever}=1\qquad \qquad \cfrac{same}{same}=1
\\\\\\
\cfrac{55}{55}\cdot 2n-6\implies \cfrac{55(2n-6)}{55}\implies \cfrac{110n-330}{55}
\\\\\\
or
\\\\\\
\cfrac{xyz}{xyz}\cdot 2n-6\implies \cfrac{xyz(2n-6)}{xyz}\implies \cfrac{2nxyz-6xyz}{xyz}

so, if you simplify either of those, you'd end up with 2n-6.

because same/same = 1, and 1 * anything, is just anything itself.
5 0
3 years ago
The length of a rectangle is 8 inches more than the width. The perimeter is 36 inches. Find the length and the width (in inches)
Fofino [41]

Answer: w = 4 and l = 12

Step-by-step explanation:

7 0
3 years ago
Factor 1/2 out of 1/2x + 3/2
EastWind [94]

<span><span>The answer to the question is:</span></span>

<span><span /></span><span><span>−<span>12</span><span>(x−12)</span></span> </span>



7 0
3 years ago
A speed walker covered 4 1/2 mi in 3/4 hour. How far will he walk in 3/4 hour if he walks
Pavel [41]

Answer:

A=27/4       B=2.25

Step-by-step explanation:

4 and 1/2 also equals 18/4.

18/4+1/2(18/4)=18/4+9/4

18+9=27

Answer is 27/4

B)=4.5/2=2.25

4 0
3 years ago
the table tells us that 4 students had no siblings 5 students had one sibling, 14 students had two siblings and so on
Hatshy [7]
The answer is 8000383890
7 0
3 years ago
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