Let X Represent the Unknown, and Write an Equation for the Sentence

question 48

Multiple Choice

Let x represent the unknown, and write an equation for the sentence. Do not solve.
-When 90% of a number is subtracted from 30, the result is 7 less than the number.

• A)30 - 90x = x - 7
• B)0.9x - 30 = x - 7
• C)30 - 0.9x = 7 - x
• D)30 - 0.9x = x - 7

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Pertaining to the most recent and advanced technology available, especially in the fields of electronics and computing.

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Firms involved in the field of biology and biotechnology, including pharmaceuticals, biomedical technologies, life systems technologies, and services or products related to the science of living organisms.

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