Which equations are equivalent to Three-fourths + m = negative StartFraction 7 over 4 EndFraction? Select three options.

Mathematics

2 answers:

sammy [17]3 years ago

3 0

Answer:

Feb 28, 2020 — ... EndFraction? Select all that apply. ... X = StartFraction 6 over 4 EndFraction x = Negative StartFraction 6 over 4 EndFraction x minus one-fourth = negative StartFraction 5 over 4 EndFraction x = negative three-halves x = negative three-fourths. 2 ... Ashley solved the equation for m using the following steps.

2 answers

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Six times a number x, plus 4 times a number y, equals 14. Negative eight times x minus 4 times y equals -12. What are the number

jekas [21]

Converting this into an equation, we get:
6x+4y=14
-8x-4y=-12

We can solve this by adding the system of equations.

6x+4y=14
+ -8x-4y=-12
-------------------------
-2x=2

Simplifying, we get that x=-1. We can replug this into one of the equations to get y. We'll choose 6x+4y=14

Plugging in -1 for x, we get that:
6(-1)+4y=14
which is
-6+4y=14
which is
4y=20

Simplify this to get that y=5

To check, you can plug in x and y into both equations to make sure that they are true.

6(-1)+4(5)=14
-6+20=14
14=14 which is true

-8(-1)-4(5)=-12
8-20=-12
-12=-12 which is true

x=-1 and y=5

:)

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Answer:

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Read 2 more answers

Can someone help please

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Answer:

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