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Second equivalence principle

Mathematics — first biennium · Lesson

Equations · 4

Multiply or divide both members

The second principle preserves solutions when both members are multiplied or divided by the same non-zero number. To isolate x, we often divide by its coefficient.

Formula matematica
Formula matematica
What you need to know before the exercises

In this lesson: Multiply or divide both members by the same non-zero number and simplify correctly.

You can already assume: Solution verification and fraction operations.

Try it now

Remove the coefficient of x

Guided

Completed exercises: 0/5 · Correct on first attempt: 0

Guide
  1. The coefficient of x is -4.
  2. Divide both members by -4.
  3. Simplify and check the sign.
Formula matematica
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What you need to know for Second equivalence principle

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