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CBSE Class 9 Answered

ax+by=a-b,bx-ay=a+b find the value of x and y  
Asked by subodhk4197 | 01 Nov, 2018, 15:56: PM
answered-by-expert Expert Answer
begin mathsize 16px style ax space plus space by space equals space straight a space minus space straight b space space... left parenthesis straight i right parenthesis
bx space minus space ay space equals space straight a space plus space straight b space space... left parenthesis ii right parenthesis
rightwards arrow Multiply space left parenthesis straight i right parenthesis space by space straight b space and space left parenthesis ii right parenthesis space by space straight a comma space name space these space equations space as space left parenthesis iii right parenthesis space and space left parenthesis iv right parenthesis. space
rightwards arrow Subtract space left parenthesis iv right parenthesis space from space left parenthesis iii right parenthesis
Then space the space value space of space straight x space equals space 1 space and space straight y space equals space minus 1.

end style
Answered by Yasmeen Khan | 01 Nov, 2018, 18:17: PM
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