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3 years ago

Solve the linear equation, 2x+4=14

Mathematics

1 answer:

Vikentia [17]3 years ago

5 0

In this question, you would be solving for x.

Solve for x:

2x + 4 = 14

Subtract 4 from both sides

2x = 10

Divide both sides by 2

x = 5

Answer:

x = 5

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Consider the equation 2(ax+3)=4x−3(4x+8). For what value of a is there no solution to the equation?

erastovalidia [21]

Answer:

the value of $a$ such that there is no solution to the equation is $a = -4$ .

Step-by-step explanation:

Let first simplify the expression presented on statement. The equation has no solution if and only if $a$ is eliminated in the process and an absurd is the result (i.e. $0 = 7$ ).

$2\cdot (a\cdot x + 3) = 4\cdot x -3\cdot (4\cdot x + 8)$

$2\cdot a\cdot x +6 = 4\cdot x -12\cdot x -24$

$2\cdot a \cdot x+6=-8\cdot x-24$

$2\cdot a\cdot x +8\cdot x = -30$

$2\cdot (a+4)\cdot x = -30$

$(a+4)\cdot x = -15$

To obtain an absurd, we need that $a+4 = 0$ . Hence, the value of $a$ such that there is no solution to the equation is:

$a = -4$

Let prove the certainty of the result. We find that an absurd exist: ( $a = -4$ )

$0 = -15$

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3 years ago

15% of a mass is 45 g. Calculate 20% of the mass

ira [324]

What is 100% of the mass ?

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grandymaker [24]

Answer:

$2h^2$

Step-by-step explanation:

=> $(10h^4+h^2)-(10h^4-h^2)$

=> $10h^4+h^2-10h^4+h^2$

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Diano4ka-milaya [45]

There are no real numbers that can do that job.

There's a pair of complex numbers that can do it.
They are

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and
   4.5 - i23.23 .

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What is your question about that?

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Solve the linear equation, 2x+4=14​

Solve the linear equation, 2x+4=14