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Lelu [443]
4 years ago
10

Write expression in standard form 5x-(-4+-2x)

Mathematics
1 answer:
Elodia [21]4 years ago
8 0

Answer: 5x+4+2

Step-by-step explanation:

5x-1(-4+2)

multiply the -1 by the -4 and 2

5x+4+2

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162 water bottles in 9 cases
sveta [45]
162/9=18 in each case
4 0
3 years ago
What is 18x-(8x-7)=67
dimaraw [331]

Answer:

6

Step-by-step explanation:

18x−(8x−7)=67

Step 1: Simplify both sides of the equation.

18x−(8x−7)=67

18x+−1(8x−7)=67(Distribute the Negative Sign)

18x+−1(8x)+(−1)(−7)=67

18x+−8x+7=67

(18x+−8x)+(7)=67(Combine Like Terms)

10x+7=67

10x+7=67

Step 2: Subtract 7 from both sides.

10x+7−7=67−7

10x=60

Step 3: Divide both sides by 10.

7 0
4 years ago
Solve for the following equation. 7=r^1/2 please help
Andreas93 [3]
7 = r^1/2 is the same as saying 7 = square root of r. So, to get rid of the square root sign on the r, you need to square it, and when you do something to one side of the equation, you have to do the same to the other side. So after squaring both sides, you get 49 = r.
6 0
3 years ago
A wire is first bent into the shape of a square. Each side of the square is 9cm long. Then the wire is unbent and reshaped into
EastWind [94]

Answer:

5 cm

Step-by-step explanation:

the perimeter of a square with sides of 9 cm is 36 cm so the rectangle must have the same perimeter

if the length of the rectangle is 13cm, its opposite side is also 13cm

add 13 + 13 to get 26

let 'n' = width of rectangle

perimeter = 26 + n + n

36 = 26 + 2n

2n = 10

n = 5

8 0
3 years ago
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