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stiv31 [10]
3 years ago
13

3m=2(4+x) solve for x

Mathematics
2 answers:
dimulka [17.4K]3 years ago
6 0
3m=2(4+x)
To solve for x, you need to get x by itself.
1. Distribute: 3m=2(4+x)
3m= 8 + 2x
2. Subtract 8.
3m- 8= 2x
3. Divide all numbers by 2 in order to isolate the x.
3/2m-8= x
This is the furthest the equation will go since there is no number in the place of x. I hope this helps! (: Good luck.
algol133 years ago
4 0
Simple.........

3m=2(4+x)

Simplify...

3m=2(4+x)

3m=8+2x

Isolate the variable....

3m=8+2x
-8      -8

3m-8=2x

\frac{3m-8}{2} = \frac{2x}{2}

\frac{3m}{2} -4=x

Thus, your answer.
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Check below, please.

Step-by-step explanation:

Hi, there!

Since we can describe eccentricity as e=\frac{c}{a}

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\frac{x^2}{a^2} +\frac{y^2}{b^2} =1 \:(Ellipse \:formula)\\a^2=b^2+c^2 \: (Pythagorean\: Theorem)\:a=longer \:axis.\:b=shorter \:axis)\\a^2=b^2+(0)^2 \:(c\:is \:the\: distance \: the\: Foci)\\\\a^2=b^2 \\a=b\: (the \:halves \:of \:each\:axes \:measure \:the \:same)

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An eccentricity equal to 5 implies that the distance between the Foci has to be five (5) times larger than the half of its longer axis! In this case, there can't be an ellipse since the eccentricity must be between 0 and 1 in other words:

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