EX 2.3 Class 8 | Linear Equations In One Variable | Chapter 2| NCERT | In Hindi | Rajmith study

Book - RS aggarwal
Class - 8
Chapter -Linear Equations In One Variable
Chapter 2
Exercise 2.3
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Chapter -Linear Equations In One Variable
Chapter 2
Exercise 2.4
• Linear Equations In On...
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Solving Equations having the Variable on
both Sides
An equation is the equality of the values of two expressions. In the equation 2x - 3 = 7,
the two expressions are 2x - 3 and 7. In most examples that we have come across so
far, the RHS is just a number. But this need not always be so; both sides could have
expressions with variables. For example, the equation 2x - 3 = x + 2 has expressions
with a variable on both sides; the expression on the LHS is (2x - 3) and the expression
on the RHS is (x + 2).
• We now discuss how to solve such equations which have expressions with the variable
on both sides
Solve the following equations and check your results.
1. 3x = 2x + 18 2. 5t - 3 = 3t - 5 3. 5x + 9 = 5 + 3x
4. 4z + 3 = 6 + 2z 5. 2x - 1 = 14 - x 6. 8x + 4 = 3 (x - 1) + 7
7. x =
4
5
(x + 10) 8.
2
3
x
1 =
7
3
15
x
9. 2y +
5
3
=
26
3
− y
10. 3m = 5 m -
8
5

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