Class 7 Simple Equations Ex 4.3 Q1(a to g)/ Expressions using letter numbers

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Class 7 Math NCERT OLD TEXTBOOK
Chapter 4 simple Equations Ex 4.3
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expression using letter numbers
class 7 simple equations exercise 4.3
Class 7 maths ex 4.3 q 1
Set up equation and solve them to find the unknown number in the following cases
Anwar thinks of a number. if he takes away 7 from 5/2 of the number the result is 23