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Dima020 [189]
3 years ago
6

Solve the equation for the variable.

20-%206" id="TexFormula1" title=" \frac{2}{5} x + 15 = x - 6" alt=" \frac{2}{5} x + 15 = x - 6" align="absmiddle" class="latex-formula">
x = [?]​
Mathematics
2 answers:
nevsk [136]3 years ago
8 0
X= 35 hope this helpsss
Marizza181 [45]3 years ago
6 0

Answer:

<h2>x = 35</h2>

Step-by-step explanation:

\frac{2}{5} x + 15 = x - 6

First multiply through by 5 to eliminate the fraction

That's

5 \times  \frac{2}{5} x + 15(5) = 5x - 30 \\ 2x + 75 = 5x - 30

Next using the subtraction property subtract 5x from both sides

That's

2x - 5x + 75 = 5x - 5x - 30 \\  - 3x + 75 =  - 30

<u>Next subtract 75 from both sides</u>

- 3x + 75 - 75 =  - 30 - 75 \\  -  3x =  - 105

<u>Divide both sides by - 3</u>

\frac{ - 3x}{ - 3}  =  \frac{ - 105}{ - 3}

We have the final answer as

<h3>x = 35</h3>

Hope this helps you

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