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# solve for x

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3ax/5 - 4c = ax/5

Guest Aug 20, 2017
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Input: 3ax/5 - 4c = ax/5

Intepretation: $$\frac{3ax}{5}-4c=\frac{ax}{5}$$

Multiply by $$5$$ on both sides:

$$3ax-20c=ax$$

Move the $$x$$ term to the left, numeric ones to the right:

$$3ax-ax=20c$$

Simplify:

$$2ax=20c$$

Divide by $$2$$ on both sides:

$$ax=10c$$

Finally, divide $$a$$ on both sides:

$$x=\frac{10c}{a}$$

Done.

Jeffes02  Aug 20, 2017