Write four solutions for equations : $\pi x+y=9$
Solve the equation $2x + 1 = x -3$, and represent the solution(s) on
$(i)$ the number line,
$(ii)$ the Cartesian plane.
Draw the graph and linear equations in two variables : $x + y = 4$
Give the equations of two lines passing through $(2, \,14)$. How many more such lines are there, and why ?
Write each of the following as an equation in two variables :
$(i)$ $x=-\,5$
$(ii)$ $y=2$
$(iii)$ $2x=3$
$(iv)$ $5y=2$