# NCERT Class 7 Mathematics Solutions: Chapter 4 – Simple Equations Exercise 4.1 Part 3 (For CBSE, ICSE, IAS, NET, NRA 2023)

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1. Solve the following equations by trial and error method:

(i)

(ii)

(i)

Putting in L. H. S

Putting in L. H. S

Putting in L. H. S

Hence, is a solution of the given equation.

(ii)

Putting

Putting

Putting

Putting

Putting

Putting

Hence, is a solution of the given equation.

2. Write equations for the following statements:

(i) The sum of numbers and .

(ii) 2 subtracted from .

(iii) Ten times is .

(iv) The number divided by .

(v) Three-fourth of is .

(vi) Seven times plus gets you .

(vii) One-fourth of a number minus gives .

(viii) If you take away from times you get .

(ix) If you add to one-third of you get .

(i)

(ii)

(iii)

(iv)

(v)

(vi) Seven times of

(vii) One-fourth of a number

(viii) Six times of

(ix) One-third of