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

ConceptMore Equations

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 = 12 (Transposing −5 to R.H.S.)

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APPEARS IN

NCERT Solution for Mathematics for Class 7 (2018 to Current)
Chapter 4: Simple Equations
Ex. 4.30 | Q: 2.2 | Page no. 89
Solution Solve the Following Equations. 3 (N − 5) = 21 Concept: More Equations.
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