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Troyanec [42]
4 years ago
10

PLZ HELP WILL GIVE BRANLYIST! Why are the solutions to the proportions StartFraction 40 over 8 EndFraction = StartFraction x ove

r 10 EndFraction and StartFraction x over 40 EndFraction = StartFraction 10 over 8 EndFraction the same? because both result in the equation 8 x = 400, which simplifies to x = 5 because both result in the equation 8 x = 400, which simplifies to x = 50 because both result in the equation 40 x = 80, which simplifies to x = 2 because both result in the equation 40 x = 80, which simplifies to x = 20
Mathematics
2 answers:
Sergeu [11.5K]4 years ago
5 0

Answer:

It would be B.

Step-by-step explanation:

Nana76 [90]4 years ago
4 0

Answer:

Because both result in the equation 8x = 400 which simplifies to 50.

Step-by-step explanation:

If you cross multiply both of the pairs, you will get 8x = 400.

divide 400 by 8 to simplify and you get 50

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To write an equation and simplify it, I'll start with this:

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FOR 100 POINTS!!!!!!!!!!!<br><br>Solve the equation. <br><br><br>3(4x + 4) = 2(5x + 9) - 12
Tatiana [17]

Answer:

<h3>X=-3</h3>

Step-by-step explanation:

Isolate x on one side of the equation.

<u><em>DISTRIBUTIVE PROPERTY</em></u>

A(B+C)=AB+AC

A(B-C)=AB-AC

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3*4x=12x

3*4=12

12x+12

2(5x+9)-12

2*5x=10x

2*9=18

10x+18

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12x+12=10x+6

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12-6=6

12x=10x-6

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12x-10x (Solve.)

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-6/2 (Solve.)

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As a result, the final answer is x=-3.

6 0
4 years ago
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