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35ppm is the same as 0.0035%
It is the same as dividing by the original expression.
An equivalent expression.
the same : expression
what you want
If x stays the same the expression stays the same. Since the expression involves negative x, the value of the expression decreases as x increases.
You can:* Add the same expression to both sides of an equation * Subtract the same expression from both sides * Multiply the same expression (must not be zero) to both sides * Divide both sides by the same expression (must not be zero)
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You can replace a variable with an equal value or expression. Just make sure the same variable always gets the same value or expression.
An expression that has the same variable raised to the same exponent is x^x. This expression does not have a formal name, however it is worth noting that x^x = e^xlnx.
To simplify an expression, you can combine like terms, which contain the same variable raised to the same power. This process involves adding or subtracting the coefficients of those terms, resulting in a more concise expression. For example, in the expression (3x^2 + 5x^2), you can combine the terms to get (8x^2).
The same reason it is used in English. It is an expression of comedic desperation.