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ICSE Class 9 Answered

X+y=5,x-y=3
Asked by sanskaragarwal6191 | 21 Jul, 2019, 05:22: PM
answered-by-expert Expert Answer
Hint
Mark each equations as 1 and 2
Try to either substitute expression of any one variable derived from any one equation to the other.
Solve for variables.
 
You can also try this question using elimination method.
For that, add or subtract both the equation. Derive value of any one variable. Substitute that value to other equation.
Answered by | 21 Jul, 2019, 08:51: PM
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