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sveticcg [70]
3 years ago
8

How many solutions are there to the equation below 7(x+2)=7x-10

Mathematics
2 answers:
Leokris [45]3 years ago
5 0

Answer:

No solution

Step-by-step explanation:

7(x+2)=7x-14\\7x-14-7x+10=0\\-4=0\\

it is not possible -4=0

S0 there is no solution in equation.

exis [7]3 years ago
3 0

Answer:

No solutions

Step-by-step explanation:

Simplify the given equation:

7(x+2)=7x-10

Distribute, multiply every term inside of the parenthesis by the term outside of it.

7(x+2)=7x-10

7(x)+7(2)=7x-10

Simplify,

7x+14=7x-10

Inverse operations,

7x+14=7x-10

7x+(-7x)+14=7x+(-7x)-10

Simplify,

7x+(-7x)+14=7x+(-7x)-10

7x-7x+14=7x-7x-10

14=-10

This equation simplifies down to an untrue equation, therefore, there are no solutions to this equation.

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Alexei wants to hang a mirror in his boat and put a frame around it. The mirror and frame must have an area of 19.25 square feet
zhuklara [117]

Let

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the answer is the option

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5 0
3 years ago
Read 2 more answers
14. Given parallelogram ABCD, find the lengths and angles required. (12 pts)
shepuryov [24]

Answer:

a. x = 3

AB = 17

CD = 17

b. y = 18

m<A = 86°

m<D = 94°

Step-by-step explanation:

Based on the properties of a parallelogram, the following can be deduced:

AB = CD

m<A + m<D = 180°

m<A = m<C

m<B = m<D

a. ✔️Find the value of x

AB = CD

Substitute

5x + 2 = 8x - 7

Collect like terms

5x - 8x = -2 - 7

-3x = -9

Divide both sides by -3

x = 3

✔️Find AB and CD

AB = 5x + 2

Plug in the value of x

AB = 5(3) + 2 = 17

CD = 8x - 7

CD = 8(3) - 7 = 17

b. ✔️Find the value of y:

m<A + m<D = 180°

Substitute

2y + 50 + 3y + 40 = 180°

Add like terms

5y + 90 = 180

Subtract 90 from each side

5y = 180 - 90

5y = 90

Divide both sides by 5

y = 90/5

y = 18

✔️Find m<A and m<D

m<A = 2y + 50

Plug in the value of y

m<A = 2(18) + 50 = 86°

m<D = 3y + 40

m<D = 3(18) + 40 = 94°

3 0
3 years ago
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Answer:

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Step-by-step explanation:

Hope this helps!

7 0
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Answer:

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Step-by-step explanation:

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