Finding Solution of Linear Equation in One Variable
Finding Solution of Linear Equation in One Variable
Solving an equation means finding the value of the variable which satisfies it.
Rules for Solving Linear Equations In One Variable:
There are certain facts about equality.
Rule 1: Same quantity (number) can be added to both sides of an equation without changing the equality.
Rule 2: Same quantity can be subtracted from both sides of an equation without changing the equality.
Rule 3: Both sides of an equation may be multiplied by the same non - zero number without changing the equality.
Rule 4: Both sides of an equation may be divided by the same non - zero number without changing the equality.
These rules are used to solve the problems:
Illustration: Solve the following equation and verify the result
:
Solution: We have,
[ Subtracting 11 from both sides]
Verification Putting the vaue of x in LHS, we get
,
If | |||
| Right Option : D | |||
| View Explanation | |||
The equation whose solution is not x = 2 is
| |||
| Right Option : A | |||
| View Explanation | |||
Find the value of m: | |||
| Right Option : B | |||
| View Explanation | |||
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