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If 2x+3y=17 and 3x+2y=13, then what is the value of x+y? |
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Answer» 6Step-by-step explanation:2x+3y=17______(i)3x+2y=13______(ii)On multipeing equ. (i) by 24x+6y=34_____(iii)Now, on multipeing equ. (ii) by 39x+6y=39_____(IV)On subtracting equ.(iii) from (iv) 9x+6y=39 4x+6y=34 - - - 5x=5 X=1Putting VALUE of x in equ.(iii)4(1)+6y=346y=34/4y=30/6y=5So, x+y=1+5 =6 |
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