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babunello [35]
2 years ago
9

2x - y=4 y=4 - 2x Give your answer as an ordered pair.

Mathematics
1 answer:
algol132 years ago
7 0

Answer:

<h3>x=8</h3><h3>y=12</h3>

Step-by-step explanation:

<h3>for the first question:-2x-4-2x=4</h3><h3>2x-2x=4+4</h3><h3>x=8</h3><h3>y=4-2x</h3><h3>y=4-2×8</h3><h3>y=12 </h3>
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(-9ab+8a-3) - (-7ab+1)
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Ben and Kyle regularly golf together. Every time they play, Ben takes four fewer shots than Kyle. Using one variable, write an e
Rom4ik [11]

Answer:

2x - 4

Step-by-step explanation:

We will have to use one variable.

Let's use "x" and call that number of shots taken by "Kyle"

So, we say:

Kyle takes "x" shots

It is told that Ben takes 4 fewer shots than Kyle, so:

Ben takes "x - 4"

So, the amount of shots both take is the sum of both shown above. So,

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Simplifying:

<u>2x - 4</u>

5 0
3 years ago
the graphs of 2x+3Y=5 and 3x+y=18 contain two sides of a triangle. a vertex of the triangle is at the intersection of the graphs
Artemon [7]

Answer:

(7, - 3 )

Step-by-step explanation:

Solve the 2 equations simultaneously to find intersection.

Given the equations of the sides

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3x + y = 18 → (2)

Multiplying (2) by - 3 and adding to (1) will eliminate the y- term

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Add (1) and (3) term by term

(2x - 9x) + (3y - 3y) = (5 - 54) and simplifying gives

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Substitute x = 7 into (1) or (2) for corresponding value of y

Substituting in (2)

21 + y = 18 ( subtract 21 from both sides )

y = - 3

Point of intersection = (7, - 3 )

5 0
3 years ago
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