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Rom4ik [11]
3 years ago
5

Is the following always, sometimes, or never true? 14+3x-7=7x+7-4x a.always b.sometimes c.never

Mathematics
2 answers:
xenn [34]3 years ago
8 0
14+3x-7= 7x+7-4x

Combine like terms
7+3x=3x+7

Since the equations are the same, it is always true.
BaLLatris [955]3 years ago
3 0

Answer:  The correct option is (a) always.

Step-by-step explanation:  We are given to decide whether the following equation is always true, sometimes true or never true :

14+3x-7=7x+7-4x~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

To check the given equation, we must try to simplify the equation.

From equation (i), we have

14+3x-7=7x+7-4x\\\\\Rightarrow 7+3x=7+3x\\\\\Rightarrow 0=0.

Since the result 0 = 0 is always true, so whatever be the value of x, the given equation is always true.

Option (a) is CORRECT.

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A plane travels 600 miles in 3 hours. at this rate how far could the jet fly in 10 hours? math
IgorLugansk [536]
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5 0
3 years ago
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Cerrena [4.2K]

Answer:

The ordered pair that makes an equation true is called a solution

a)solution

b) not a solution

c) solution

d) solution

e)not a solution

f) not a solution

g) solution

h) not a solution

Step-by-step explanation:

The first number in an ordered pair is x, the second one is y

Plug in the numbers to x and y respectively

I'll give two examples so you know how to solve it

a) y=3x+1

-5=3(-2)+1

make sure you use pemdas (multiply first)

-5=-6+1

add

-5=-5

this is true (meaning it is a solution)

b) 6=3(-3) +1

6=-9+1

6 = -8

this is NOT true (not a solution)

If you have any questions feel free to ask

8 0
2 years ago
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