Solve the Following Equation: 3(X + 1) = 12 + 4(X - 1) - Mathematics

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Sum

Solve the following equation:

3(x + 1) = 12 + 4(x - 1)

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Solution

3(x + 1) = 12 + 4(x – 1)
3x + 3 = 12 + 4x – 4
3x – 4x = 12 – 4 – 3
-x = 5
x = -5

Concept: Simple Linear Equations in One Variable
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Chapter 14: Linear Equations in one Variable - Exercise 14 (A) [Page 165]

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Selina Concise Mathematics Class 8 ICSE
Chapter 14 Linear Equations in one Variable
Exercise 14 (A) | Q 9 | Page 165

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