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X+y=5 and 2x-3y=4 solve this linear …

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X+y=5 and 2x-3y=4 solve this linear equation using elimination method
  • 1 answers

Yogita Ingle 6 years, 8 months ago

X+y=5 ........... (i)
2x-3y=4 ......... (ii)
Multiply (i) by 3
3x + 3y = 15 ........ (iii)
add (ii) and (iii)
2x - 3y + 3x + 3y = 4 + 15
5x = 19
x = 19/5
Put x = 19/5 in (i)
19/5 + y = 5
y = 5 - 19/5
y = (25 -19)/5
y = 6/5

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