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Continue to ChatEx 4.3, 1 (a) - Chapter 4 Class 7 Simple Equations https://teachoo.com//8009/2618/Ex-4.4--1/category/Making-equations-from-statements-and-solving/
Ex 4.3, 1 (a) - Chapter 4 Class 7 Simple Equations https://teachoo.com//8009/2618/Ex-4.4--1/category/Making-equations-from-statements-and-solving/