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3 years ago

Three times a number, x, increased by four is equal to five times the number, x. Which equation can be used to solve for x?

Mathematics

2 answers:

sesenic [268]3 years ago

5 0

Answer:

X = 2

Step-by-step explanation:

From the question we can gather some pretty important information. For starters, "three times a number x" would give us 3x. Secondly, "increased by 4" would give us +4. Lastly, "equal to five times x" would be = 5x. If we put this all together we have the following Algebraic Equation.

$3x+4 = 5x$

Now we can start solving the equation.

$3x+4 = 5x$

$4 = 2x$

$2 = x$

So we can see that the value of x in this equation is 2.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

Dimas [21]3 years ago

4 0

3x+4=5x
4=5x-3x
4=2x
X=2

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Answer:

The Answer is : D

Step-by-step explanation:

First find the slope of the line that the equation should be parallel to. In this case it is 2/1 which simplified is 2.

Next insert the X (4) of the point (4,1) and solve to see if you get the Y(1).

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TIP*

If you see the question ask you about a parallel formula, look at the slopes of them to see if they match up. Parallel formulas have the same slope, just a tip because you can see in the answer choices none of the equations have the same slope as the line on the graph except for D.

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