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For solving pair of equation, in this exercise use the method of elimination by equating coefficients: y = 2x - 6; y = 0 - Mathematics

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प्रश्न

For solving pair of equation, in this exercise use the method of elimination by equating coefficients:

y = 2x - 6; y = 0

योग

उत्तर

y = 2x - 6     ...(1)
y = 0     ...(2)

Adding equation (1) and (2)
2x - y = 6
+    y = 0  
2x = 6
x = 3

∴ x = 3 and y = 0.

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Methods of Solving Simultaneous Linear Equations by Elimination Method - Method of Elimination by Equating Coefficients
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Simultaneous (Linear) Equations (Including Problems) - Exercise 6 (B) [पृष्ठ ८१]

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सेलिना Concise Mathematics [English] Class 9 ICSE
अध्याय 6 Simultaneous (Linear) Equations (Including Problems)
Exercise 6 (B) | Q 5 | पृष्ठ ८१
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