234930
Description
Mind Map by arvind.tatiparti, updated more than 1 year ago
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Created by arvind.tatiparti
about 11 years ago
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linear equations in two variables
- Linear equations in one variable have one and only one solution.
Annotations:
- You have already learnt this!
- 2x+8-4=6 etc
- Linear equations in two variables may have more than one
solution
Annotations:
- You are learning about this now!
- Ex: 1.2s+3t=5, p+4q=7 et cetera
- Solutions of linear equations does not change when the same number is subtracted or added to both LHS and
RHS
- or when you multiply or divide both sides by a non-zero number
- or when you multiply or divide both sides by a non-zero number
- Any equation which can be put in the form ax+by+c=0, where a, b and c are real numbers
and a and b are both non-zero, is called a linear equation in two variables.
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