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2 years ago

What is the value of x in the figure? Enter your answer in the box.

Mathematics

2 answers:

Sonja [21]2 years ago

7 0

Answer:

it is vertically angle

145 = (2x+15)

2x=145-15

130=2x

x=130÷2

x=65

LUCKY_DIMON [66]2 years ago

4 0

it is vertical angler:

$145 = 2x + 15 \\ 145 - 15 = 2x \\ 130 = 2x \\ x = \frac{130}{2} \\ x = 65$

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Answer:

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faltersainse [42]

The price of one vegetarian special lunch is $7 and price of one chicken special lunch is $8.

Step-by-step explanation:

Let,

Price of one vegetarian special lunch = x

Price of one chicken special lunch = y

According to given statement;

21x+40y=467 Eqn 1

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Multiplying Eqn 1 by 28

$28(21x+40y=467)\\588x+1120y=13076\ \ \ Eqn\ 3$

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$21(28x+36y=484)\\588x+756y=10164\ \ \ Eqn\ 4$

Subtracting Eqn 4 from Eqn 3

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Dividing both sides by 364

$\frac{364y}{364}=\frac{2912}{364}\\y=8$

Putting y=8 in Eqn 1

$21x+40(8)=467\\21x+320=467\\21x=467-320\\21x=147$

Dividing both sides by 21

$\frac{21x}{21}=\frac{147}{21}\\x=7$

The price of one vegetarian special lunch is $7 and price of one chicken special lunch is $8.

Keywords: linear equation, elimination method

Learn more about elimination method at:

#LearnwithBrainly

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Four times the sum of a number and two increased by three is at least twenty seven

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