Mathematics
Algebraic methods: Substitution method and Elimination method.
Practice questions
In the equation \(2x-y=4\), what is the value of \(y\) when \(x=3\)?What is the point of intersection of the lines \(4x+3y=34\) and \(4x-y=10\)?If the lines \(x+y=9\) and \(kx+3y=23\) both pass through the point \(\left(4,5\right)\), what is the value of \(k\)?While solving a pair of linear equations in two variables by the elimination method, in which situation can one variable be eliminated directly?What is the \(x\)-coordinate of the point of intersection of the lines \(4x+5y=31\) and \(3x-2y=1\)?If the two lines have a unique point of intersection (r,s) that satisfies (3r+s=19) and (r-s=1), what is the value of (r+s)?If the unique point of intersection of two lines is (r,s) and the lines are represented by (4r+s=29) and (r-s=1), what is the value of (r+s)?What is the solution of the equations (x+y=5) and (x-y=1)?In the equations (2x+y=7) and (x=2), what is the value of (y)?If (y=x+1) and (x+y=7), what are the values of (x) and (y)?Using elimination method for (3x+y=11) and (x+y=5), what is the value of (x)?If (x-y=4) and (x+y=10), what will be the value of (y)?Which is the solution of (2x-y=1) and (x+y=8)?If (x=2y) and (x+y=9), what is the value of (x)?If (y=3x) and (x+y=8), what is the solution?Find the value of (x) from (4x+y=14) and (x+y=5).If (x+2y=11) and (x-y=2), what are the values of (x) and (y)?What is the solution of (x+y=5) and (2x+3y=12)?If (x+y=6) and (3x-y=6), what will be the value of (x)?In the equations (2x+y=9) and (x-y=3), what is the value of (y)?