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n200080 [17]
3 years ago
13

5x + 3(2x -1) = 3x -14 solve it

Mathematics
2 answers:
grandymaker [24]3 years ago
6 0
5x+3(2x-1)=3x-14

Use distributive property

5x+6x-3=3x-14

Combine like terms

11x-3=3x-14


Subtract 3x from both sides to get...


8x-3=-14


Add 3 to both sides to get

8x=-11


Divide both sides by 8 to get


X=-11/8
Umnica [9.8K]3 years ago
3 0

Answer:

x=-11/8

Step-by-step explanation:

First use the Distributive property on [3(2x-1)]:

5x+6x-3=3x-14

Now combine alike terms:

11x-3=3x-14

Now add three to both sides:

11x=3x-11

Now subtract 3x from both sides:

8x=-11

Now divide both sides by 8:

x=-11/8

This fraction cannot be simplified meaning your final answer SHOULD be -11/8

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Solve for X. Each figure is a parallelogram.
vichka [17]

Answer:

1. x = 8

2. x = 3

3. x = 25

4. x = 6

5. x = 11

6. x = 3

7. x = 6

8. x = 10

Step-by-step explanation:

Since the opposite sides of a parallelogram are congruent, the length of segment QR is equal to the length of segment PS.

10 = -6 + 2x

Add 6 to each side

10 + 6 = -6 + 6 + 2x

Simplify each side

16 = 2x

Divide both sides by 2

16/2 = 2x/2

Simplify

x = 8

to check if x is correct:

you already know that  segment QR is 10, so your answer needs to be equal to 10

so sement PS is -6x + 2x

-6 + 2x

= -6 + 2(8)

= -6 + 16

= 10

so PS = 10

2. 34x + 5 = 35x + 2

Step 1: Subtract 35x from both sides.

34x + 5 − 35x = 35x + 2 − 35x

−x + 5 = 2

Step 2: Subtract 5 from both sides.

−x + 5 − 5 = 2 − 5

−x = −3

Step 3: Divide both sides by -1.

-x/-1 = -3/-1

Step 4: Simplify

x = 3

3.

115 = 2x + 65

Step 1: Flip the equation.

2x + 65 = 115

Step 2: Subtract 65 from both sides.

2x + 65 − 65 = 115 − 65

2x = 50

Step 3: Divide both sides by 2.

2x/2 = 50/2

x = 25

4.

84 + 16x = 180

84 - 84 + 16x = 180 - 84

16x = 96

16x/16 = 96/16

x = 6

5.

2(3x − 10) = 46

Step 1: Simplify both sides of the equation.

2(3x − 10) = 46

(2)(3x) + (2)(−10 )= 46(Distribute)

6x + −20 = 46

6x − 20 = 46

Step 2: Add 20 to both sides.

6x − 20 + 20 = 46 + 20

6x = 66

Step 3: Divide both sides by 6.

6x/6 = 66/6

x = 11

6. RH = 1/2 FH or RH = 2 × FH

Step 1: Simplify both sides of the equation.

(2)(12)=13x−2

24=13x+−2

24=13x−2

Step 2: Flip the equation.

13x−2=24

Step 3: Add 2 to both sides.

13x−2+2=24+2

13x=26

Step 4: Divide both sides by 13.

13x/13 = 26/13

x = 3

7.

2x+2=3x−4

Step 1: Subtract 3x from both sides.

2x+2−3x=3x−4−3x

−x+2=−4

Step 2: Subtract 2 from both sides.

−x+2−2=−4−2

−x=−6

Step 3: Divide both sides by -1.

-x/-1 = -6/-1

x = 6

8.

2(2x−6)=28

Step 1: Simplify both sides of the equation.

2(2x−6)=28

(2)(2x)+(2)(−6)=28(Distribute)

4x+−12=28

4x−12=28

Step 2: Add 12 to both sides.

4x−12+12=28+12

4x=40

Step 3: Divide both sides by 4.

4x/4 = 40/4

x = 10

7 0
2 years ago
Can you help me find MAD for this
White raven [17]

Answer:

5

Step-by-step explanation:

(3+15+21+13)/4 = 13

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15 - 13 = 2

21 - 13 = 8

13 - 13 = 0

(10+2+8+0)/4 = 5

3 0
3 years ago
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vovangra [49]

Answer:

11/24

Step-by-step explanation:

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please add a thanks if im correct

5 0
3 years ago
Amy wants to find out if the temperature of water affects plant growth. She will water 6 plants with hot water, 6 plants with lu
jek_recluse [69]

Answer:

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Step-by-step explanation:

In every study, there must be a dependent variable and an independent variable. The effect of the independent variable on the dependent variable is monitored by carefully manipulating the independent variable and observing the response it produces on the dependent variable.

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8 0
3 years ago
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Shtirlitz [24]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
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