2x/a+y/b=2 , x/a-y/b=4 solve using substution method

please answer correctly

answer is x=2a and y= -2b

# 2x/a+y/b=2 , x/a-y/b=4 solve using substution method

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Answer:x=2

put x in eq 1

y=2-2x

y=2-2(2)

y=2-4

y=-2