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OleMash [197]
3 years ago
7

Please Help Me Quick with this math problem!!!!!!!!!!!!!!

Mathematics
2 answers:
Nadya [2.5K]3 years ago
8 0

Answer:

x=−5 and y=−1

Step-by-step explanation:

Let's solve your system by substitution.

y=2x+9;y=−x−6

Step: Solvey=2x+9for y:

y=2x+9

Step: Substitute2x+9foryiny=−x−6:

y=−x−6

2x+9=−x−6

2x+9+x=−x−6+x(Add x to both sides)

3x+9=−6

3x+9+−9=−6+−9(Add -9 to both sides)

3x=−15

3x

3

=

−15

3

(Divide both sides by 3)

x=−5

Step: Substitute−5forxiny=2x+9:

y=2x+9

y=(2)(−5)+9

y=−1(Simplify both sides of the equation)

Hope this helps!

weeeeeb [17]3 years ago
3 0

Answer:

x= -5    y= -1

Step-by-step explanation:

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Read 2 more answers
Given:
jekas [21]

Answer:

we conclude that:

If 4x - 6≠4, then 2x–5≠5 is the contrapositive of a conditional statement if 2x -5=5, then 4x-6=14.

Step-by-step explanation:

We know that the contrapositive of a conditional statement of the form "If p then q" is termed as "If ~q then ~p".

In other words, it is symbolically represented as:

' ~q ~p is the contrapositive of p q '

For example, the contrapositive of "If it is a rainy day, then they suspend the match" is "If they do not suspend the match, then it won't be a rainy day."

Given

p: 2x -5=5

q: 4x-6=14

As the contrapositive of a conditional statement of the form "If p then q" is termed as "If ~q then ~p

Thus, we conclude that:

If 4x - 6≠4, then 2x–5≠5 is the contrapositive of a conditional statement if 2x -5=5, then 4x-6=14.

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