Ex 4.2, 1 - Give the first step you will use to separate variable

Ex 4.2, 1 - Chapter 4 Class 7 Simple Equations - Part 2
Ex 4.2, 1 - Chapter 4 Class 7 Simple Equations - Part 3 Ex 4.2, 1 - Chapter 4 Class 7 Simple Equations - Part 4 Ex 4.2, 1 - Chapter 4 Class 7 Simple Equations - Part 5 Ex 4.2, 1 - Chapter 4 Class 7 Simple Equations - Part 6 Ex 4.2, 1 - Chapter 4 Class 7 Simple Equations - Part 7 Ex 4.2, 1 - Chapter 4 Class 7 Simple Equations - Part 8

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Transcript

Ex 4.2, 1 Give first the step you will use to separate the variable and then solve the equation: (a) x 1 = 0x 1 = 0 Adding 1 to both sides x 1 + 1 = 0 + 1 x = 1 Ex 4.2, 1 Give first the step you will use to separate the variable and then solve the equation (b) x + 1 = 0x + 1 = 0 Subtracting 1 from both sides x + 1 1 = 0 1 x = 1 Ex 4.2, 1 Give first the step you will use to separate the variable and then solve the equation: (c) x 1 = 5x 1 = 5 Adding 1 to both sides x 1 + 1 = 5 + 1 x = 6 Ex 4.2, 1 Give first the step you will use to separate the variable and then solve the equation: (d) x + 6 = 2x + 6 = 2 Subtracting 6 from both sides x + 6 6 = 2 6 x = 4 Ex 4.2, 1 Give first the step you will use to separate the variable and then solve the equation: (e) y 4 = 7y 4 = 7 Adding 4 to both sides y 4 + 4 = 7 + 4 y = 3 Ex 4.2, 1 Give first the step you will use to separate the variable and then solve the equation: (f) y 4 = 4 y 4 = 4 Adding 4 to both sides y 4 + 4 = 4 + 4 y = 8 Ex 4.2, 1 Give first the step you will use to separate the variable and then solve the equation: (g) y + 4 = 4 y + 4 = 4 Subtracting 4 from both sides y + 4 4 = 4 4 y = 0 Ex 4.2, 1 Give first the step you will use to separate the variable and then solve the equation: (h) y + 4 = 4 y + 4 = 4 Subtracting 4 from both sides y + 4 4 = 4 4 y + 0 = (4 + 4) y = 8

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.