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sveticcg [70]
3 years ago
6

Find the value of x, and measure of angle A. (2x+60) (5x+2) 40

Mathematics
1 answer:
LuckyWell [14K]3 years ago
3 0

Answer:

 

Step-by-step explanation:

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Write the phase "3 times the difference of 5 and y equals 4" as a variable expression:
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Answer:

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use the elimination method to solve the system of equations choose the correct ordered pair 7x+4y=39 2y+4y=14
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x = 5 \: and \: y = 1.

Step-by-step explanation:

7x + 4y = 39 \:  -  {eq}^{n} (1)

2x + 4y = 14  \: \:  -  {eq}^{n} (2)

Multiply Equation no (1) with 2 and Equation no (2) with 7.

14 x + 8y = 78.

14x + 28y = 98.

( - ) \: \:  \:  ( - ) \:  \:  \: ( - )

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- 20y =  - 20

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Substitute the value of "y" in Equation no (1)

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7x + 4(1) = 39.

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7x = 39 - 4

7x = 35.

x =  \frac{35}{7}

x = 5.

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3 years ago
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