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