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If x 1 2 3 4
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If x 1 2 3 4
1 2 x 3 4 simplify if needed
if x 1 y 2 )u003d( 3 4 find the value of x and y
if 2 x * 4 x 8 1 3
if x 28 1 2 3 4
if 1 3 1 2 1 x 4 then x
if x 1 2 3 4 5 and y abcdef
if x 1 2 3 4
if x 1 2 3 4 is a singular matrix then x
if x 1 2 3 4 5
if x 1 2 3 4 5 6