Solving Linear Equations without Brackets
Solving Linear Equations without Brackets
Solving Linear Equations without Brackets:
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 equaton 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:
Example: 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
,
Find the value of y : - 2y + 45 = 40 | |||
| Right Option : A | |||
| View Explanation | |||
Find the value of x: | |||
| Right Option : A | |||
| View Explanation | |||
Solve for y: | |||
| Right Option : C | |||
| View Explanation | |||
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