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Rearrange y=7-x and have x as the subject of the formula

User ThitSarNL
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Final answer:

To have x as the subject of the formula, subtract y from both sides of the equation, resulting in x = 7 - y.


Step-by-step explanation:

To rearrange the equation y = 7 - x and have x as the subject, you need to isolate x on one side of the equation. Start by subtracting y from both sides:

y - y = 7 - x - y

This simplifies to:

0 = 7 - x - y

Next, rearrange the terms:

x = 7 - y

Now, x is the subject of the formula.


Learn more about Rearranging equations

User Sachin Mathew
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