2x-1=y,2y+3=x solve equation
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harsh123844:
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2x-1=y,
substitute the value of y in eq(2), we get
2(2x-1)+3=x,
4x-2+3=x,
4x-x=2-3,
then
3x=-1,
x=-1/3,
now from eq(1), we have
2×(-1/3) -1=y,
-2/3-1 =y,
(-2-3)/3 = y,
-5/3 =y
substitute the value of y in eq(2), we get
2(2x-1)+3=x,
4x-2+3=x,
4x-x=2-3,
then
3x=-1,
x=-1/3,
now from eq(1), we have
2×(-1/3) -1=y,
-2/3-1 =y,
(-2-3)/3 = y,
-5/3 =y
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