2x+3y=9 4x+6y=15 elimination method
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Answer:
2x + 3y = 9 .... (1)
4x + 6y = 15 .... (2)
multiply equation 1 by 2 and 2 by 1
8x + 12 = 36
8x + 12 = 30
ans - y = 6
put y =6 in equation ( 1 )
2x + 3×6 = 9
2x + 18 = 9
2x = 9 - 18
2x = - 9
x = 2/9
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