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Reika [66]
3 years ago
9

Drag steps of the solution into order to solve for x in the equation 7(x – 4) = 84.

Mathematics
2 answers:
Svet_ta [14]3 years ago
5 0

Answer:

Given the equation:

7(x-4) = 84

Using the distributive property, i.e,  a \cdot (b+c) = a\cdot b+ a\cdot c we have;

7x -28 = 84

Add 28 to both sides we have;

7x = 112

Divide both sides by 7 we have;

x = 16

⇒value of x is, 16

Following Steps are as follow:

7(x-4) = 84

7x -28 = 84

7x = 112

x = 16

Stella [2.4K]3 years ago
3 0

Answer:

x=16

Step-by-step explanation:

1.  7x -28 =84

2. 7x = 112

3. x=16

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Answer:

what is cos and sin ?

Step-by-step explanation:

4 0
2 years ago
The area of a trapezoid is 168cm2. The height is 16cm and the length of one of the parallel sides is 9cm. Find the length of the
dmitriy555 [2]

Answer:

12 cm

Step-by-step explanation:

The formula for the area of a trapezoid is written as:

1/2(b1 + b2)h

h = height = 16 cm

b1 = Length of one parallel side = 9cm

b2 = Length of second parallel side = ?

Area of trapezoid = 168cm²

The formula to find the length of the second parallel side =

b2 = 2A/h - b1

b2 = 2 × 168/16 - 9

b2 = 336/16 - 9

b2 = 21 - 9

b2 = 12cm

Therefore, the length of the second parallel side is 12 cm

3 0
3 years ago
Can someone help? TvT please
zysi [14]

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7 0
3 years ago
Can someone help me with this question please! <br> 5-x=12
alisha [4.7K]

Answer:

x=-7

Step-by-step explanation:

Subtract 5 from both sides.

−x=12−5

Subtract 5 from 12 to get 7.

−x=7

Multiply both sides by −1.

x=−7

3 0
3 years ago
Read 2 more answers
PLEASE HELP
LekaFEV [45]

Answer: one solution

Step-by-step explanation:

CONCEPT:

- One solution is when the final variable would be able to find a solution.

- Infinite solution is when the equations result in 0=0, meaning any number will fit

- No solution is when the equation results in both sides on equal.

SOLVE:

Given

3/4x-7=3(1/6x+1)

Expand Parenthesis

3/4x-7=1/2+3

Multiply both sides by the LCM of fractions (Least Common Multiple)

4(3/4x-7)=4(1/2x+3)

3x-28=2x+12

Subtract both sides by 2x

3x-28-2x=2x+12-2x

x-28=12

Add both sides by 28

x-28+28=12+28

x=40

Since we are able to get exactly one solution, there is only one solution.

Hope this helps!! :)

Please let me know if you have any quesionts

5 0
3 years ago
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