Simultaneous linear equation in two variables, analytical and graphical solutions. Simultaneous linear in equations. Practical problems on linear equations.
If 2x + 3y = 5 and x = - 2, then the value of y is:
Putting x=-2 in 2x + 3y = 5, we get:
- 4 + 3y = 5 or 3y = 9 or y = 3.