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cestrela7 [59]
3 years ago
5

Follow the directions to solve the system of equations by elimination. 8x + 7y = 39 4x – 14y = –68 Multiply the first equation t

o enable the elimination of the y-term. Add the equations to eliminate the y-terms. Solve the new equation for the x-value. Substitute the x-value back into either original equation to find the y-value. Check the solution. The solution to the system of equations is
Mathematics
2 answers:
Viefleur [7K]3 years ago
10 0
(1/2 ,5) hope this helped
PolarNik [594]3 years ago
5 0

Answer:

1/2,5

Step-by-step explanation:

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7 0
3 years ago
B. The school prom committee sold presale tickets for
Ivan

Answer:

218 students purchased tickets at the dance.

Step-by-step explanation:

Let,

x be the number of presale tickets

y be the number of tickets sold at the dance

According to given statement;

x+y=334      Eqn 1

18x+24y=7320    Eqn 2

Multiplying Eqn 1 by 18

18(x+y=334)

18x+18y=6012      Eqn 3

Subtracting Eqn 3 from Eqn 2

(18x+24y)-(18x+18y)=7320-6012

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218 students purchased tickets at the dance.

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Step-by-step explanation:

7 0
2 years ago
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kondaur [170]

Answer:

x=  3/4

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

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(Distribute)

5x+−2x+−2= 1 /4

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3x+−2= 1 /4

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Step 2: Add 2 to both sides.

3x−2+2= 1 /4 +2

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Step 3: Divide both sides by 3.

3x/ 3 = 9 /4 /3

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3 years ago
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