[|[3,1],[4,x]|=7" and "|[4-x],[1]|=11" .From the given determinants form two "],[" simultaneous equations and solve them."]

|{:(3,1),(y,x):}|=7 and |{:(4,-x),(1,y):}|=11 . From the given determinants form two simultaneous equations and solve them.

If |{:(2,-y),(1,x):}|=16 and |{:(3,2),(y,x):}|=3 . From the given determinant form two simultaneous equations and solve them.

From the given determinants, from two simultaneously equations and solve them. |{:(2,y),(-3,x):}|=7,|{:(3,y),(1,x):}|=5

From the given determinants, from two simultaneously equations and solve them. |{:(2,y),(-3,x):}|=7,|{:(3,y),(1,x):}|=5

From the given information form simultaneous equations and solve

Convert the following equations into simultaneous equations and solve: sqrt(x/y)=4,1/x+1/y=1/(xy) .

Solve the simultaneous equations: 2x-3y = 11 and 5x + 4y =16

Solve the following simultaneous equation x+y=11 , 2x-3y =7

Solve the simultaneous equations 4/x+3/y=1,8/x-9/y=7 .

Solve the following simultaneous equations. 2x+3y = -4, x-5 y =11