myagm02 myagm02

07-04-2020
Mathematics

contestada

how do i know whether to subtract or divide when isolating a number? (example, 2a, do i subtract or divide?)

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aniyahcarr20 aniyahcarr20

07-04-2020

Answer:

Example 2a should be divided

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joeycross4 joeycross4

07-04-2020

When the variable is attached like 2a you divide to isolate. When it is 2+a you subtract 2 to the other side and when it’s -2+a you add to the other side!

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