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Solve the Following Equations. 3 (N − 5) = − 21 - CBSE Class 7 - Mathematics

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Question

Solve the following equations.

3 (n - 5) = -21

Solution

3 (n - 5) = -21

Dividing both sides by 3,

`n - 5 = (-21)/3 = -7`

n = − 7 + 5 = −2 (Transposing −5 to R.H.S.)

  Is there an error in this question or solution?

APPEARS IN

 NCERT Solution for Mathematics for Class 7 (2018 to Current)
Chapter 4: Simple Equations
Ex. 4.30 | Q: 2.3 | Page no. 89
Solution Solve the Following Equations. 3 (N − 5) = − 21 Concept: More Equations.
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