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Komok [63]
4 years ago
10

3x(x+3)=5x+4 solve the equation

Mathematics
2 answers:
Dvinal [7]4 years ago
4 0
3x^2+9x=5x+4
2x^2+x^2+4x-4=0
x (2x+x)+4 (x-1)=0
x=0
2x+x=0
3x=0
x=0

x-1=0
x=1
max2010maxim [7]4 years ago
3 0
<span>3x(x+3)=5x+4
3x+9x=5x+4
12x=5x+4
12x-5x=4
7x=4
x=0.57</span>
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I will give you brainliest!!!! Use substitution method to solve the system of equations. y=6x-5 y=x+5
solong [7]

Answer:

(2,7)

Step-by-step explanation:

y=6x-5

y=x+5

Since they are both equal to y, set them equal to each other

6x-5 = x+5

Subtract x from each side

6x-x-5 = x+5-x

5x-5 = 5

Add 5 to each side

5x-5 +5 = 5+5

5x=10

Divide by 5

5x/5 = 10/5

x=2

y = x+5

y = 2+5

y =7

6 0
3 years ago
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-3 - 3x = -4(2x + 7)
Marizza181 [45]

Answer :    x=−5

Step-by-step explanation: Step 1: Simplify both sides of the equation.

−3−3x=−4(2x+7)

−3+−3x=(−4)(2x)+(−4)(7)(Distribute)

−3+−3x=−8x+−28

−3x−3=−8x−28

Step 2: Add 8x to both sides.

−3x−3+8x=−8x−28+8x

5x−3=−28

Step 3: Add 3 to both sides.

5x−3+3=−28+3

5x=−25

Step 4: Divide both sides by 5.

5x /5 =  −25 /5

x=−5

Answer:

x=−5

5 0
3 years ago
The formula for finding the volume of a rectangular prism can be stated as V= l x w x h, wHerr l=length of the prism, w=width of
blagie [28]

Answer:

1)

23265


2)

9478.125

3) 102369.09375

Formula nonsense: V=l*w*h

1) meaning V= 33*47*15 so V= 23265

2) meaning V= 22.5*33.7*12.5 so V= 9478.125

3) meaning V= 122.25*50.75*16.5 so V= 102369.09375

8 0
2 years ago
Fay has a lemonade stand.
AnnyKZ [126]

Answer:

her total profit is 3

Step-by-step explanation:

1.50 x 30 = 45

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5 0
3 years ago
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Find the area of the shape
aliina [53]

Answer:

72 yd^2

Step-by-step explanation:

Separate the shape into a square and a rectangle. Figure out the measurements of each shape then add the total.

4 0
3 years ago
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