Solve this equation in substitution method
2x+3y=9
4x+6y=18
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Answer:
2x+3y=9
4x+6y=18
2x+3y-9=0×4
4x+6y-18=0×2
8x+12y-36=0
8x+12y-36=0= -8x-12y+36=0
0=0
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