solve using addition or subtraction method
2x=5y+4;3x-2y+16=0
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Answer:
5y+(-2y) +4+16+3x+ 2x
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1.2x=5y+4. 2.2y+16=0.
1.transpose 2x
5y +4=2x
7y =2x
transpose y 2+16=0/y
....................18=y
7y=2x ,18 =y
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